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Electronic Devices MCQs

Electronic Devices Tests

Feedback Oscillator Principles MCQ with Answers PDF Download

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Chapter 6 MCQs: Feedback Oscillator Principles Quiz

MCQ: voltage gain around the closed feedback loop of oscillator must equal to

A) 1
B) 0
C) −∞
D) ∞

MCQ: For oscillation to begin, voltage gain around the positive feedback loop must be

A) 1
B) greater than 1
C) less than 1
D) 0

MCQ: Phase shift around the feedback loop must be effectively

A) 0°
B) 90°
C) 120°
D) 180°

MCQ: In positive feedback oscillators, output of an amplifier is feed back to the input with

A) 90° phase shift
B) 120° phase shift
C) 180° phase shift
D) no phase shift

MCQ: Product of an amplifier gan and attenuation of feedback circuit is equals to

A) current gain
B) voltage gain
C) resistance
D) capacitance

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