Physics - Semiconductors Question with Solution | TestHub

PhysicsSemiconductorsTransistorEasy2 minPYQ_2020

PhysicsEasysingle choice

A transistor, connected in common emitter configuration, has input resistance $R_{in} = 2 k Ω$ and load resistance of $5 k Ω$ . If $β = 60$ and an input signal $12 mV$ is applied, find the power gain.

Options:

Answer:

Solution:

Power gain $= \frac{β^{2} R_{L}}{R_{BE}}$

$= {(60)}^{2} \frac{5}{2}$

$= \frac{18000}{2} = 9000$

Subject:PhysicsTopic:SemiconductorsSubtopic:Transistor

⏱ 2mℹ️ Source: PYQ_2020

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