Current gain of a transistor in common base mode is 0.95. Its value in common em

Question - Current gain of a transistor in common base mode is 0.95. Its value in common emitter mode is

Options:

A . 0.95

B . 1.5

C . 19

D . (19)−1

Answer: Option C
:
C

β = \frac{\propto}{1 - \propto} = \frac{0.95}{1 - 0.95} = \frac{0.95}{0.05}

= 19

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