Physics - Semiconductors Question with Solution | TestHub

PhysicsSemiconductorsTransistorEasy2 minPYQ_2020

PhysicsEasysingle choice

For a transistor, the current amplification factor $α$ is $0.8$ . If it is connected in common emitter configuration, the change in collector current when the base current changes by $6 mA$ is

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Answer:

Solution:

$I_{c} = (\frac{α}{1 - α}) I_{b} = \frac{0.8}{0.2} I_{b} = 4 I_{b}$

$I_{c} =$ collector current
$I_{b} =$ base current

$I_{c} = 24 mA$

Subject:PhysicsTopic:SemiconductorsSubtopic:Transistor

⏱ 2mℹ️ Source: PYQ_2020

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