What type of semiconductor is prepared by doping as into si?
a) p-type
b) n-type
c) intrinsic
d) e-type
e) none of these
Answers
N- type of semiconductor is denoted by positive ion and free electron.
What is semiconductor?An object known as a capacitor is one that uses an electric field to store electrical energy. There are two terminals on this passive electrical component.
Capacitance is the name for a capacitor's result. A capacitor is a component made to increase the capacitance in a circuit, even though there is some capacitance between any two electrical conductors that are close to one another in a circuit. Condensers and condensators were the previous names for capacitors. Although condenser microphones, sometimes known as capacitor microphones, are an important exception, this word and its cognates are still often used in many other languages outside English.
Practical capacitors come in a wide variety of physical shapes and constructions, and they are used in a variety of ways. A minimum of two electrical conductors are typically found in a capacitor.
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Related Questions
logs of density 600 kg/m3 are used to build a raft. what is the weight of the maximum load that can be supported by a raft build from 300 kg of logs?
Answers
The weight of the maximum load that can be supported by a raft built from 300 kg of logs with a density of 600 kg/m³ is 1,800 N.
Determine how to find the weight of the maximum load?To calculate the weight of the maximum load, we need to find the buoyant force exerted by the raft, which is equal to the weight of the displaced water. The buoyant force can be determined using Archimedes' principle:
Buoyant force = Weight of displaced water
The weight of the displaced water is equal to the weight of the logs used to build the raft. Since the logs have a density of 600 kg/m³, the volume of the logs can be calculated as follows:
Volume = Mass / Density = 300 kg / 600 kg/m³ = 0.5 m³
The weight of the displaced water is then:
Weight of displaced water = Density of water × Volume × Acceleration due to gravity
= 1000 kg/m³ × 0.5 m³ × 9.8 m/s² = 4,900 N
Therefore, the weight of the maximum load that can be supported by the raft is 4,900 N.
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What does this indicate about the claim?
Answers
claim
[klām]
VERB
state or assert that something is the case, typically without providing evidence or proof.
"he claimed that he came from a wealthy, educated family" · [more]
synonyms:
assert · declare · profess · maintain · state · hold · affirm · avow · aver · [more]
NOUN
an assertion of the truth of something, typically one that is disputed or in doubt.
"he was dogged by the claim that he had CIA links" · [more]
synonyms:
assertion · declaration · profession · affirmation · avowal · averment · protestation · representation · contention · submission · case · allegation · pretense · asseveration
a demand or request for something considered one's due.
"the court had denied their claims to asylum"
Answer:
the first person is right at all
Boyle law lab report
Answers
Answer:
what about it?
Explanation:
Answer:
its my lab report i did it in 5 minutes and it might be wrong sorry lol
Explanation:
heheheh stinky badussey
Which graph represents a nonlinear relationship?
A straight line runs from 0 0 sharply upward.
A graphs shows 0 to 6 numbered on the horizontal axis and 0 to 40 on the vertical axis. The graph shows an upward trend.
A graphs shows 0 to 6 numbered on the horizontal axis and 0 to 40 on the vertical axis. The graph shows an downward trend.
A graphs shows 0 to 6 numbered on the horizontal axis and 0 to 40 on the vertical axis. The graph shows a curved line runs down from 28 0 to 0 2, then straight to 0 4 then curving upward to 6 28.
Answers
Answer:
The correct answer is D.
Explanation:
Im pritty sure;)
Answer:
D
Explanation:
edge
3 resitor is connected in series to a 6 resior and a 12-v battery.what is the current in each of the resistors ? what is the voltage drop across each resitor?
Answers
The current in each resistor is 4 A, 2 A, and 4 A, respectively. The voltage drop across each resistor is 12 V.
When three resistors are connected in series with a six resistor and a 12-volt battery, the total resistance of the series circuit is R = R1 + R2 + R3 + ...
The current flowing through the circuit is the same at every point. So, if we want to know the current flowing through each resistor, we need to use Ohm's law, I = V/R, where V is the voltage of the battery and R is the resistance of each resistor.
I1 = V/R1 = 12/3 = 4 AI2 = V/R2 = 12/6 = 2 AI3 = V/R3 = 12/3 = 4 A. The voltage drop across each resistor can be calculated using Ohm's law, V = IR.
V1 = I1R1 = 4 x 3 = 12 VV2 = I2R2 = 2 x 6 = 12 VV3 = I3R3 = 4 x 3 = 12 V.
Therefore, the current in each resistor is 4 A, 2 A, and 4 A, respectively. The voltage drop across each resistor is 12 V.
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a spring with an -kg mass and a damping constant 10 (kg/s) can be held stretched 1.5 meters beyond its natural length by a force of 3 newtons. if the spring is stretched 3 meters beyond its natural length and then released with zero velocity, find the mass that would produce critical damping.
Answers
To find the mass that would produce critical damping in a spring with a damping constant and a known force at a specific displacement, we need to calculate the critical damping coefficient and then determine the corresponding mass. The mass that would produce critical damping in the spring is 25 kg.
Critical damping occurs when the damping force is equal to the force required to hold the spring stretched. In this case, the force required to hold the spring stretched 1.5 meters beyond its natural length is 3 Newtons.
The critical damping coefficient can be calculated using the formula:\(c = 2\sqrt{(m(k - 1))}\), where c is the damping constant, m is the mass, and k is the ratio of the force to the displacement.
First, we calculate the critical damping coefficient:
\(c = 2\sqrt{(m(k - 1))}\)
\(10 = 2\sqrt{(m(3/1.5 - 1))}\)
\(10 = 2\sqrt{(m(2 - 1))}\)
10 = 2√m
Next, we solve for m:
√m = 10/2
√m = 5
m = 5^2
m = 25
Therefore, the mass that would produce critical damping in the spring is 25 kg.
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As you increase the decibel level from 80 db to 100 db, the sound pressure ratio goes from _____ to _____.
Answers
The sound pressure ratio ranges from 10,000 to 1,00,000. The decibel level ranges from 80 dB to 100 dB.
What does the term "sound pressure" mean?The meaning of sound pressure is the discrepancy between the actual pressure and average pressure at any given instant at any place in the field of a sound wave.
What is the sound pressure unit?The intensity of a sound, expressed in decibels, is known as sound pressure level (SPL) (dB).
How can sound pressure be decreased?The Seven Techniques for Quietness.Reduce the source's sound output. While it's not always feasible, there are instances when "turning down the volume" is the wisest course of action. Increase the separation. Use a fence or other enclosure. Add diffusion and absorption. Make use of masking sound. Increase isolation from vibration. Think about active control.To know more about sound pressure visit:
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Determine the amount of charge that has been passed if a 12W lamp that has a resistance of 270Ω has been run for 2.5 seconds.
Answers
Answer:
Explanation:
Given:
P = 12 W
R = 270 Ω
t = 2.5 s
____________
Q - ?
Power:
P = I²·R
Current strength:
I = √ (P / R) = √ (12 / 270) ≈ 0.21 A
Charge:
Q = I·t = 0.21·2.5 = 0,525 C
What is the smallest dye that appears at the leading edge of the electrophoresis?
A) Loading dye
B) Tracking dye
C) Running dye
D) Staining dye
Answers
Answer:
Explanation:
The smallest dye that appears at the leading edge of electrophoresis is the tracking dye. The tracking dye is a small, colored molecule that is added to the sample before electrophoresis begins. It moves through the gel alongside the sample, allowing the researcher to track the progress of the electrophoresis run and determine when the sample has migrated to the appropriate distance. The tracking dye does not interfere with the separation of the sample and is typically a small molecule, such as xylene cyanol or bromophenol blue, which migrate quickly through the gel.
The smallest dye that appears at the leading edge of electrophoresis is a staining dye. The correct option is D).
Staining dyes are used to visualize the separated molecules in electrophoresis. These dyes are usually small and have a high affinity for the separated molecules, allowing them to bind specifically and selectively.
The staining dye is added to the gel after electrophoresis is complete, and it migrates through the gel to bind to the separated molecules.
The dye makes the separated molecules visible as colored bands, allowing researchers to determine the size, quantity, and purity of the molecules they are interested in.
Different types of staining dyes are available, including ethidium bromide, Coomassie Brilliant Blue, and silver stain. Each has its advantages and limitations, depending on the type of molecule being analyzed and the sensitivity required for detection.
Overall, staining dyes are essential tools in electrophoresis, allowing researchers to identify and quantify the separated molecules with high accuracy and precision.
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As engineers for a company that manufactures fire trucks for airports, you must assess whether the acceleration of the truck is sufficient to put out fires. It must be assumed that the truck can brake with a deceleration of 5 m/s2, and that a test of the truck's responsiveness consists of reaching the point of accident as quickly as possible, 400 m away.
Your group is to develop a performance protocol for the truck test, and based on real data from fire trucks, say whether a truck with a more powerful engine would be recommended, considering both the possible decrease in response time (arrival to the point of accident) such as the increase in the costs of the new engine (or truck) and its maintenance. It is recommended that, due to such costs, in case you decide on a more powerful truck, such power does not exceed 10% of the initial one.
Answers
A performance protocol for the truck test can be developed by considering the following factors: the distance to the point of accident, the truck's acceleration, and its deceleration.
Based on real data from fire trucks, it is not recommended to purchase a truck with a more powerful engine, as the decrease in response time would not be significant enough to justify the increased cost.
The performance protocol for the truck test can be developed by considering the following factors:
The distance to the point of accident: This is the maximum distance that the truck needs to travel to reach the point of accident.
The truck's acceleration: This is the rate at which the truck can increase its speed.
The truck's deceleration: This is the rate at which the truck can decrease its speed.
The goal of the performance protocol is to minimize the response time, which is the time it takes the truck to reach the point of accident. The response time can be calculated using the following formula:
response time = distance / acceleration + distance / deceleration
For a given distance, the response time will be minimized when the acceleration is maximized and the deceleration is minimized.
Based on real data from fire trucks, it is not recommended to purchase a truck with a more powerful engine.
The increase in acceleration that would be achieved by a more powerful engine would not be significant enough to justify the increased cost. In addition, the increased power would also increase the fuel consumption of the truck.
Therefore, it is recommended to stick with the current truck and not purchase a truck with a more powerful engine.
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The process of an object changing position from one location to another are called:_______
Answers
The process of an object changing position from one location to another is called "motion".
Movement, the act or process of moving or shifting locations or positions. ability to move with the force of a live body. gait is the term for the way a person walks. a gesture; a movement or shift in posture. Motion is the quality in which a body shifts its position with regard to time. The various motions include Linear motion: Linear motion is the movement of particles along a straight or curved route from one location to another.
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A student pushes against a wall with 20N of force and the wall does not move. In this situation, the wall exerts -
F 0N of force.
G 20N of force.
H less than 20N of force.
J more than 20N of force.
Answers
Answer:
G 20N of force
Explanation:
Every action has an equal and opposite reaction. The wall exterts as much force as you push on it.
Answer:
It is g
Explanation:
The wall is not moving nor is the kid therefore the force is equal
why is a fan blade spinning at a constant speed constantly accelerating
Answers
It moves at a constant linear speed around it. Yet, the linear velocity at any point on the blades is constantly varying and accelerating.
Does speeding up imply movement?Acceleration typically indicates a change in speed, but not necessarily. An item that follows a circular course while maintaining a constant speed is still moving forward because the direction of its motion is shifting.
Does accelerating only refer to increasing speed?Most likely, you picture something racing up when you think about acceleration. But a moving thing accelerates as it slows down. A change in speed is what acceleration is, so keep that in mind. The speed of a car that is slowing down decreases.
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A 1000-kg car comes to a stop without skidding. The car's brakes do 50,000 J of work to stop the car. Which of the following was the car's velocity when the brakes were initially applied?
Answers
Answer:
10m/s
Explanation:
Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the laser light wavelength is 1062 nmnm (Neodymium-YAG laser), and the pulse lasts for 31 picoseconds, how many wavelengths are found within the laser pulse?
Answers
In a pulsed Neodymium-YAG laser with a wavelength of 1062 nm and a pulse duration of 31 picoseconds, there are approximately 3.05 wavelengths contained within the laser pulse. This calculation is based on dividing the pulse duration by the wavelength.
To determine the number of wavelengths within the laser pulse, we divide the pulse duration by the wavelength. In this case, the pulse duration is given as 31 picoseconds (31 x 10^-12 seconds) and the wavelength is 1062 nm (1062 x 10^-9 meters).
First, we need to convert the pulse duration to seconds by multiplying it by 10^-12. This gives us 31 x 10^-12 seconds.
Next, we divide the pulse duration by the wavelength.
(31 x 10^-12 seconds) / (1062 x 10^-9 meters) = 2.917 x 10^-11 wavelengths
Rounding to two decimal places, we find that there are approximately 3.05 wavelengths within the laser pulse.
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parallel adaptive fluid–structure inter- action simulation of explosions impacting on building structures.
Answers
The phrase "parallel adaptive fluid–structure interaction simulation of explosions impacting on building structures" refers to a computational method used to study the effects of explosions on buildings. Let's break it down step by step:
"Parallel adaptive": This refers to the use of parallel computing techniques, where multiple processors or cores work together to solve the simulation problem faster. It allows for efficient computation of complex simulations by dividing the workload.
"Fluid–structure interaction": This term describes the interaction between a fluid (such as air or water) and a solid structure (such as a building) in a simulation. It considers how the fluid affects the structure and vice versa. In this case, it refers to how the explosion impacts the building and how the building responds to the explosion.
"Simulation of explosions impacting on building structures": This means that the simulation aims to model the effects of explosions on buildings. It can help researchers and engineers understand how buildings behave under explosive forces, and can be used to design safer structures or develop strategies to mitigate the damage caused by explosions.
The phrase refers to a computational method that uses parallel computing techniques to simulate the interaction between fluids and structures, specifically focusing on explosions impacting building structures. This simulation can provide valuable insights into the behavior of buildings under explosive forces.
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Select the correct answer from each drop-down menu. a tourist bus is carrying passengers from the bottom of a hill to the top. the people, the bus, and the luggage can be analyzed as a single . the total amount of energy in the system as the bus travels. this situation happens because some of the kinetic energy changes to energy because of friction between the tires and the road.
Answers
The correct answer from each drop-down menu are in this case:
systemdecreasesthermalWhat are the forms of energy conservation?In a given mechanical system, in which forms of energy related to electromagnetic or thermal phenomena are not present, it can be said that the total energy of the system is purely mechanical. Thus, the Principle of Conservation of Energy implies the conservation of mechanical energy.
This, in turn, is the sum of the amounts of kinetic energy and various forms of potential energy (gravitational and elastic among them). Although mechanical energy is always constant, the amount of each of its components can change such that the total energy remains constant.
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In a summer storm, the wind is blowing at a velocity of 8 m/s north. Suddenly in 3 seconds, the winds velocity is 23 m/s north. What is the winds acceleration?
Answers
Answer:a=v-u/t
=23-8/3
=5m/s hope you got your answer
Explanation:
Which has more momentum, a large mass moving at 30 miles per hour or a small mass moving at 30 miles per hour?A) small massB) large massC) the same for both
Answers
The large mass moving at 30 miles per hour has more momentum than the small mass moving at the same speed.
Momentum is the product of an object's mass and its velocity. As the mass of an object increases, so does its momentum, assuming the velocity remains constant. In this scenario, even though the two objects have the same velocity, the larger mass has a greater momentum because of its greater mass. The equation for momentum is p = mv, where p is momentum, m is mass, and v is velocity. Since the velocity is the same for both, the momentum will be greater for the larger mass.
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A 10 kg object is hanging stationary on the end of a vertical spring which has a spring
constant of 250 N/m. What is the elongation of the spring?
Answers
To find the elongation of the spring, we can use Hooke's Law, which states that the force exerted by a spring is proportional to its elongation. The formula for Hooke's law is:
F = -kx
where F is the force, k is the spring constant, and x is the elongation.
In this case, the force is equal to the weight of the object (10 kg), which can be calculated as:
F = m * g
where m is the mass of the object (10 kg) and g is the acceleration due to gravity (9.8 m/s^2).
So, the force can be calculated as:
F = 10 kg * 9.8 m/s^2 = 98 N
Using Hooke's law, we can find the elongation of the spring:
F = -kx
98 N = -250 N/m * x
x = 98 N / 250 N/m = 0.392 m
So, the elongation of the spring is 0.392 m.
_________________________________________________________
Hey brother, no problem for the answer but could you give 5 stars and a thanks!
All love, Johnny Sins :)
a vector has an x-component of −24.5 units and a y-component of 28.5 units. find the magnitude and direction of the vector. magnitude units direction ° (counterclockwise from the x-axis)
Answers
The magnitude of the vector can be found using the Pythagorean theorem, which states that the magnitude (M) of a vector with components (x, y) is given by the equation M = \(\sqrt{(x^2 + y^2).\)
In this case, the x-component is -24.5 units and the y-component is 28.5 units. Plugging these values into the equation, we have M = \(\sqrt{{((-24.5)^2 + (28.5)^2).\)
To find the direction of the vector, we can use trigonometry. The angle (θ) between the vector and the positive x-axis can be determined using the inverse tangent function: θ = arctan(y/x). Substituting the given values, we have θ = arctan(28.5/-24.5).
Therefore, the magnitude of the vector is the square root of the sum of the squares of its components, and the direction of the vector is the angle counterclockwise from the x-axis, obtained by taking the arctan of the ratio of the y-component to the x-component.
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A car accelerates from rest to 37.3 m/s
in 7 sec. What is the acceleration?
Answers
Answer:
poopgshshsh
Explanation:
cacawusususu
A rock thrown with a horizontal velocity of 20m/s from a cliff that is 125m above level ground. If air resistance is negligible, the time that it takes the rock to fall to the ground from the cliff is most nearly A.3s B.5s C.6s D.12s E.25s
Answers
Answer: c
Explanation: 125/20 =6.25
During what moon phase is a lunar eclipse possible.
Answers
Step by Step explanation
When Earth is positioned precisely between the Moon and Sun, Earth's shadow falls upon the surface of the Moon, dimming it and sometimes turning the lunar surface a striking red over the course of a few hours. Each lunar eclipse is visible from half of Earth.
"The dynamic viscosity is generally for liquids, as compared to gasses." lower equal greater insignificant
Answers
The dynamic viscosity is generally greater for liquids, as compared to gases.Viscosity is a measure of the resistance of fluids to flow.
A fluid's viscosity is determined by its internal friction, and it is divided into two categories: dynamic viscosity and kinematic viscosity. Dynamic viscosity, also known as absolute viscosity, is the resistance of fluid to shear or tensile stress, whereas kinematic viscosity is the dynamic viscosity divided by the density of the fluid.
The dynamic viscosity of gases is lower than that of liquids. It implies that gases have a lower resistance to flow than liquids, which have a higher resistance to flow due to their internal friction. As a result, it takes more force to move liquids than it does to move gases.
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the question will be on one of the comments on the answers you give just now take the points
Answers
Answer:
Explanation:
hi
At what point does the comet experience the strongest force of gravity?
o a. point b
o b. point a
o c. point c
o d. point d
Answers
Correct option is C. The comet experiences the strongest force of gravity at point c.
How is the strongest force of gravity experienced by the comet determined?The comet experiences the strongest force of gravity at point C. In a gravitational system, the force of gravity is directly related to the mass of the attracting object and inversely related to the square of the distance between the objects.
At point C, the distance between the comet and the attracting object (such as a planet or a star) is the shortest, resulting in a smaller distance squared. As a result, the force of gravity exerted on the comet at point C is the strongest compared to points A, B, and D, where the distance is greater.
Thus, point C corresponds to the location where the gravitational force is most intense.
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A firm's demand curve is given by Q = 100 – 0.67P. What is the firm's corresponding marginal revenue curve?
Answers
To find the firm's corresponding marginal revenue curve, we need to first understand that marginal revenue is the change in total revenue resulting from a one-unit change in output. Mathematically, it can be expressed as the derivative of total revenue with respect to quantity.
In this case, we can find the total revenue function by multiplying price (P) and quantity (Q). So, TR = P*Q. Substituting the demand function Q = 100 – 0.67P, we get TR = P*(100 – 0.67P) = 100P – 0.67P².
To find the marginal revenue, we take the derivative of the total revenue function with respect to Q. So, MR = d(TR)/dQ.
Differentiating TR = 100P – 0.67P² with respect to Q, we get MR = 100 – 1.34P.
Therefore, the firm's corresponding marginal revenue curve is MR = 100 – 1.34P.
Therefore, the firm's corresponding marginal revenue curve is MR = 100 – 1.34P.
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Consider a signal x[n] having the corresponding Fourier transform X(e jw
). What would be the Fourier transform of the signal y[n]=2x[n+3] Select one: X(e jw
)e j3w
2X(e jw
)e j3w
2X(e jw
)e −j3w
3X(e jw
)e j2w
−2X(e jw
)e −j3w
Answers
The Fourier transform of the signal y[n]=2x[n+3] is 2X(\(e^(^j^w^)\))\(e^(^j^3^w^)\).
When we have a signal y[n] that is obtained by scaling and shifting another signal x[n], the Fourier transform of y[n] can be determined using the properties of the Fourier transform.
In this case, the signal y[n] is obtained by scaling x[n] by a factor of 2 and shifting it by 3 units to the left (n+3).
To find the Fourier transform of y[n], we can use the time-shifting property of the Fourier transform. According to this property, if x[n] has a Fourier transform X(\(e^(^j^w^)\)), then x[n-n0] corresponds to X(\(e^(^j^w^)\)) multiplied by \(e^(^-^j^w^n^0^)\).
Applying this property to the given signal y[n]=2x[n+3], we can see that y[n] is obtained by shifting x[n] by 3 units to the left. Therefore, the Fourier transform of y[n] will be X(\(e^(^j^w^)\)) multiplied by \(e^(^j^3^w^)\), as the shift of 3 units to the left results in \(e^(^j^3^w^)\).
Finally, since y[n] is also scaled by a factor of 2, the Fourier transform of y[n] will be 2X(\(e^(^j^w^)\)) multiplied by \(e^(^j^3^w^)\), giving us the main answer: 2X(\(e^(^j^w^)\))\(e^(^j^3^w^)\).
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a negative charge is placed in an electric field. if that charges feels a force to the right from that field, what direction is the electric dield vector at that point
Answers
If a negative charge is placed in an electric field and it feels a force to the right, then the electric field vector must be directed to the left.
When a negative charge is placed in an electric field and experiences a force to the right, the electric field vector at that point will be in the opposite direction, which is to the left. This is because the force experienced by a negatively charged particle in an electric field is in the direction opposite to the electric field vector.
This is because electric field lines always point in the direction that a positive test charge would move in the field, and since the negative charge is moving to the right, it must be experiencing a force in the opposite direction, which is to the left.
To summarize, if the negative charge feels a force to the right, the electric field vector at that point is to the left.
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