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JEE · NEET Previous Year Question

$In an oscillator, for sustained oscillations, Barkhausen criterion is Aβ equal to (A = voltage gain without feedback, β = feedback factor)$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $zero$
B $1/2$
C $1$
D $2$

Correct answer: C

Solution

(c) Aβ = 1 is Barkhausen criterion for sustained oscillations in an oscillator.

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