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Diodes and Applications - Technical MCQs

Q1:

When a diode is forward biased, the voltage across it

A is directly proportional to the current

B is inversely proportional to the current

C is directly proportional to the source voltage

D remains approximately the same

ANS:D - remains approximately the same

It has 0.7v drop for silicon meterial so it is not directly proportional to source voltage and some resistance will be present in the diode so does not proportional to current.