Physics - Semiconductors Question with Solution | TestHub

PhysicsSemiconductorsTransistorEasy2 minPYQ_2020
PhysicsEasysingle choice

In a common emitter amplifier, using output resistance of5000 Ωand input resistance of2000 Ω, if the peak value of input signal voltage is10 mVandβ=50is given. Find peak value of output voltage -

Options:

Answer:
C
Solution:

for CE amplifier

Voltage gainA=βRoRi

A=50×50002000;

A=125=voutputVinput;

125=V010mV;

V0=1.25V

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:SemiconductorsSubtopic:Transistor
⏱ 2mℹ️ Source: PYQ_2020

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