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The depletion layer in diode is 1 mum wi...

The depletion layer in diode is `1 mum` wide and the knee potential is `0.6 V`, then the electric field in the depletion layer will be

A

zero

B

`0.6Vm^(-1)`

C

`6xx10^(4) V//m`

D

`6xx10^(5) V//m`

Text Solution

Verified by Experts

The correct Answer is:
D
By using `E=(V)/(d)=(0.6)/(10^(-6))=6xx10^(5) V//m`
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Knowledge Check

  • The depletion layer in silicon diode is 1 mu m wide and the knee potential is 0.6V, then the electric field in the depletion layer will be

    A
    zero
    B
    `0.6 Vm^-1`
    C
    `6 times 10^4 V//m`
    D
    `6 times 10^5 V//m`

  • The depletion layer in a p-n junction diode is 10^(-6) m wide and its knee potential is 0.5 V, then the inner electric field in the depletion region is

    A
    `5xx10^(-7)` V/m
    B
    `5xx10^5` V/m
    C
    `5xx10^(-1)` V/m
    D
    `5xx10^6` V/m

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    holes
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    forbiden band