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Electronic Mechanic
Electronic Mechanic Set-1
Op Amp and Timer 555 Applications
6

Op Amp and Timer 555 Applications MCQ with Answers

6) What is the expansion of PRF related to frequency?

Power regulated frequency

Pulse repetition frequency

Pulse repetition frequency

Pulse probability frequency

Answer is:

Pulse repetition frequency

Op Amp and Timer 555 Applications MCQ with Answers

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Related Op Amp and Timer 555 Applications MCQ with Answers

7) What is the name of the ratio of ON-time pulse to the OFF-time pulse of multivibrator?

Control voltage

Pulse repetition

Pulse repetition

Threshold comparator

Answer is:

Pulse repetition

8) What is the function of pin number 4 of the IC 555?

Set

Reset

Reset

Threshold

Answer is:

Reset

9) Which is the output pin number IC 555 timer?

Pin number 6

Pin number 5

Pin number 5

Pin number 3

Answer is:

Pin number 3

10) What is the function of pin number 2 of IC 555 timer circuit?

"+VCC"

Trigger

Trigger

Reset

Answer is:

Trigger

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