Physics-(general)

NEET Physics (general) MCQ Question

Type: MCQ-conceptual-Easy-Class 12

When a semiconductor diode is forward-biased and the applied voltage is increased, what happens to the barrier height?

A

It decreases.

B

It remains the same.

C

It increases.

D

It first decreases then increases.

Correct Answer

Option A

Detailed Explanation

With forward bias, the barrier height is reduced as the applied voltage increases, allowing more carriers to cross the junction, as mentioned in the NCERT context.

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