Physics - Semiconductors Question with Solution | TestHub

PhysicsSemiconductorsTransistorEasy2 minPYQ_2020

PhysicsEasysingle choice

For a common-emitter transistor amplifier, the current gain is $60$ . If the emitter current is $6.6 mA$ then its base current is

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Solution:

For a common-emitter transistor amplifier, the current gain β is 60

The emitter current $I_{E}$ is $6.6 mA$

$\frac{I_{E}}{I_{B}} = 1 + β \Rightarrow I_{B} = \frac{I_{E}}{1 + β}$

Subject:PhysicsTopic:SemiconductorsSubtopic:Transistor

⏱ 2mℹ️ Source: PYQ_2020

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