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The barrier potential of a p-n-junction...

The barrier potential of a `p-n`-junction depends on
(i) Type of semiconductor material
(ii) Amount of doping
(iii) Temperature
which of the following is correct?

A

`b` only

B

`b` and `c` only

C

`a,b` and `c`

D

`a` and `b` only

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The correct Answer is:
D
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