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Q.

Consider the following statements A and B and identify the correct choice of the given answers.
(A) A Zener diode is always connected in reverse bias.
(B) The potential barrier of a PN -junction lies between 0.1 to 0.3 V approximately.

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a

A and B are correct

b

A and B are wrong

c

A is correct but B is wrong

d

A is wrong but B is correct

answer is C.

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Detailed Solution

For Si, potential barrier is 0.7 V and its 0.3 V for Ge.

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Consider the following statements A and B and identify the correct choice of the given answers. (A) A Zener diode is always connected in reverse bias. (B) The potential barrier of a PN -junction lies between 0.1 to 0.3 V approximately.