Answer:
(c) During positive
half cycle of input a-c voltage, the p-n junction is forward biased. The
resistance of p-n junction is low. The current in the circuit is maximum. In
this situation, a maximum potential difference will appear across resistance
connected in series of circuit. Due to it, there is no output voltage across
p-n junction.
During the
negative half-cycle of input a. c. voltage the p-n junction is reverse biased.
The resistance of p-n junction becomes high which will be more than resistance
in series. Due to it, there will be voltage across p-n junction with negative
cycle in output. Thus, option (c) is correct.
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