Class 12

31. Semiconductor & Electronic Devices question bank (Physics)

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Q1.

The depletion layer in the \(p\)-\(n\) junction region is caused by  

(A)
drift of holes
(B)
diffusion of charge carriers
(C)
migration of impurity ions
(D)
drift of electrons
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Q2.

Conductivity of semiconductors

(A)
is maximum at \(0\ \text{K}\)
(B)
decreases with increase in temperature
(C)
increases with increase in temperature
(D)
is maximum at \(300\ \text{K}\)
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