The current gain of a transistor in common emitter circuit is 40. The ratio of emitter current to base current is R , then R is

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answer is A.

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Detailed Solution

Current Gain in common CE : β=40⇒β=IcIb=40To find : IeIb=?We know , Ie=Ib+Ic ⇒IeIb=IbIb+IcIb=1+40=41

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