Physics - Semiconductors Question with Solution | TestHub

PhysicsSemiconductorsTransistorEasy2 minPYQ_2020

PhysicsEasysingle choice

The current gain $α$ of a transistor in common base mode is $0.995$ . Its gain $β$ in the common-emitter mode is

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Answer:

Solution:

The current gain $α$ of a transistor in common base mode is 0.995

$β$ is current gain in the common emitter mode

$β = \frac{α}{1 - α} = \frac{0.995}{1 - 0.995} = 199$

Subject:PhysicsTopic:SemiconductorsSubtopic:Transistor

⏱ 2mℹ️ Source: PYQ_2020

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