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Electronic Mechanic
Electronic Mechanic Set-1
Oscillators
4

Oscillators MCQ with Answers

4) Which circuit is determined by the frequency of LC tank circuit?

Oscillator

Amplifier

Multiplexed

Demodulator

Answer is:

Oscillator

Oscillators MCQ with Answers

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Related Oscillators MCQ with Answers

5) What is the percentage of charge accumulated by the capacitor at the end of 2 time constant limit?

0.4

0.5

0.632

0.864

Answer is:

0.864

6) How many time constants required to change a capacitor to 63.2% of its full charge voltage?

Four time constant

Three time constant

Two time constant

One time constant

Answer is:

One time constant

7) Which circuits commonly use parallel-fed Hartley oscillators?

Stereo amplifiers

Radio receivers

Television receivers

Automatic voltage stabilizers

Answer is:

Radio receivers

8) What type of arrangement is required to sustain the oscillations of the oscillator circuit?

Provide negative feedback

Provide regenerative feedback

Increase the bias voltage

Increase the value of inductor

Answer is:

Provide regenerative feedback

Oscillators MCQ with Answers

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