Semiconductor Principles - Technical MCQs
Q1: A P-N junction mimics a closed switch when it:A
has a low junction resistance
B
is reverse biased
C
cannot overcome its barrier voltage
D
has a wide depletion region
ANS:A - has a low junction resistance Closed switch means circuit is closed which means switch is ON. Reverse bias provides more resistance to flow of current/electrons. So it can not be reverse biased. It should be when it has a low junction resistance because then only current can flow properly. |
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