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The diffusion current is proportional to
- a)applied electric field
- b)square of the electric field
- c)concentration gradient of charge carriers
- d)both (a) & (c)
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The diffusion current is proportional toa)applied electric fieldb)squa...
The diffusion current density is directly proportional to the concentration gradient. Concentration gradient is the difference in concentration of electrons or holes in a given area. If the concentration gradient is high, then the diffusion current density is also high.
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The diffusion current is proportional toa)applied electric fieldb)squa...
Diffusion Current
Diffusion current is the flow of charge carriers in a semiconductor due to the concentration gradient. It occurs when there is a difference in the concentration of charge carriers in the material.
Proportionality with Concentration Gradient
The diffusion current is proportional to the concentration gradient of charge carriers. The concentration gradient is the difference in the concentration of charge carriers between two points in a material. The greater the difference in concentration, the greater the diffusion current.
No Proportionality with Applied Electric Field
The diffusion current is not proportional to the applied electric field. The electric field does not cause the diffusion current but rather affects the movement of charge carriers. The electric field can accelerate or decelerate the charge carriers, but it does not directly cause the diffusion current.
No Proportionality with Square of Electric Field
The diffusion current is also not proportional to the square of the electric field. The square of the electric field represents the intensity of the electric field, but it does not directly affect the diffusion current.
Conclusion
In conclusion, the diffusion current is proportional to the concentration gradient of charge carriers and not proportional to the applied electric field or the square of the electric field.
Diffusion current is the flow of charge carriers in a semiconductor due to the concentration gradient. It occurs when there is a difference in the concentration of charge carriers in the material.
Proportionality with Concentration Gradient
The diffusion current is proportional to the concentration gradient of charge carriers. The concentration gradient is the difference in the concentration of charge carriers between two points in a material. The greater the difference in concentration, the greater the diffusion current.
No Proportionality with Applied Electric Field
The diffusion current is not proportional to the applied electric field. The electric field does not cause the diffusion current but rather affects the movement of charge carriers. The electric field can accelerate or decelerate the charge carriers, but it does not directly cause the diffusion current.
No Proportionality with Square of Electric Field
The diffusion current is also not proportional to the square of the electric field. The square of the electric field represents the intensity of the electric field, but it does not directly affect the diffusion current.
Conclusion
In conclusion, the diffusion current is proportional to the concentration gradient of charge carriers and not proportional to the applied electric field or the square of the electric field.
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The diffusion current is proportional toa)applied electric fieldb)squa...
If the positive terminal of the battery is connected to the anode of the diode then it is known as
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The diffusion current is proportional toa)applied electric fieldb)square of the electric fieldc)concentration gradient of charge carriersd)both (a) & (c)Correct answer is option 'C'. Can you explain this answer?
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