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Assertion (A) : Group-13-doped crystals ...

Assertion (A) : Group-`13`-doped crystals of `Si` are called `p`-type semiconductors.
Reason (R ) : Positive holes are reasponsible for the semiconducting properties.

A

If both `(A)` and `(R)` are correct, and `(R)` is the correct explanation of `(A)`

B

If both `(A)` and `(R)` are correct, but `(R)` is not the correct explanation of `(A)`

C

If `(A)` is correct, but `(R)` is incorrect.

D

If both `(A)` is incorrect, but `(R)` is correct.

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The correct Answer is:
A
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