Q.
What accounts for the flow of charge carriers in forward and reverse biasing of silicon p-n diode?
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a
Drift in forward bias and diffusion in forward bias
b
Drift in reverse bias and diffusion in forward bias
c
Drift in both reverse and forward bias
d
Diffusion in both forward and reverse bias
answer is B.
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Detailed Solution
Drift current flows from n-side to p-side while diffusion current flows from p-side to n-side. In forward biasing, diffusion current is more than the drift current and in reverse biasing, drift current is more than the diffusion current.
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