Electronic Devices MCQs - Chapter 6

Oscillators Multiple Choice Questions (MCQs) PDF Download - 9

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The Multiple Choice Question (MCQ Quiz): In positive feedback oscillators, output of an amplifier is feed back to input with; "Oscillators" App Download (Free) with answers 120° phase shift, 90° phase shift, 180° phase shift and no phase shift to study online courses. Solve feedback oscillator principles quiz questions, download Google eBook (Free Sample) to enroll in online colleges.

Oscillators Questions & Answers PDF Download: MCQ Quiz 9

MCQ 41: In positive feedback oscillators, output of an amplifier is feed back to the input with

90° phase shift
120° phase shift
180° phase shift
no phase shift

MCQ 42: In oscillators, input DC power supply is converted into

mechanical energy
electrical energy
thermal energy
optical energy

MCQ 43: Product of an amplifier gan and attenuation of feedback circuit is equals to

current gain
voltage gain
resistance
capacitance

MCQ 44: 555 timer is introduced in

1872
1890
1932
1972

MCQ 45: Oscillator has input of

DC supply voltage
AC supply voltage
user data
clock signal

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