Question

When a P-N junction is unbiased, the junction current at equilibrium is

a.

zero as no charges cross the junction

b.

zero as equal number of carriers cross the barrier

c.

mainly due to diffusion of majority carriers

d.

mainly due to diffusion of minority carriers

Answer: (b).zero as equal number of carriers cross the barrier

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Q. When a P-N junction is unbiased, the junction current at equilibrium is

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