Semiconductor Electronics Materials Devices And Simple Circuits Ques 22
22. In the following figure, the diodes which are forward biased, are
[2011 M, 2004]
(A)

(B)

(C)

(D)

(a) (C) only
(b) (C) and (A)
(c) (B) and (D)
(d) (A), (B) and (D)
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Answer:
Correct Answer: 22.(b)
Solution:
- (b) Only in (A) and (C) diodes are forward biased as p-type should be at higher potential and n-type at lower potential.