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Q.

The correct relation between the two current gains α and β in a transistor is

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a

β=α1+α

b

α=β1−β

c

α=β1+β

d

α=1+ββ

answer is C.

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Detailed Solution

Ie=Ib+Ic⇒IeIc=IbIc+1⇒1α=1β+1⇒α=β1+β
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The correct relation between the two current gains α and β in a transistor is