Q.

Which of the following junction diodes are forward biased?

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a

c only

b

b & c only

c

a, b & c only

d

b & d only

answer is B.

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Detailed Solution

The p−n junction diode is forward biased when p is at high potential with respect to n.

In the given options, figure shown in b and c have p region at higher potential than n region. Hence, they are forward biased.

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