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Question

When a forward bias is applied to a pn junction, it

A
None of the above
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B
reduces the majority carrier current to zero.
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C
raises the potential barrier.
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D
lowers the potential barrier.
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Solution

The correct option is D lowers the potential barrier.

When a forward bias is applied to a pn junction, it lowers the value of potential barriers. In the case of a forward bias, the potential barrier opposes the applied voltage. Hence, the potential barrier across the junction gets reduced.

(C) is the correct option.

Final Answer: (𝒄)

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