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Electronic Mechanic
Electronic Mechanic Set-1
Op Amp and Timer 555 Applications
12

Op Amp and Timer 555 Applications MCQ with Answers

12) What is the use of schmitt trigger circuit?

Voltage regulator

AC to DC converter

AC to DC converter

Electronic thermostant

Answer is:

AC to DC converter

Op Amp and Timer 555 Applications MCQ with Answers

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Related Op Amp and Timer 555 Applications MCQ with Answers

13) What is the function of astable multivibrator in timer IC 555?

Acting as transducers

Serving as an oscillator

Serving as an oscillator

Serving as comparator

Answer is:

Serving as an oscillator

14) Which circuit uses the F to V converter section?

Schmitt trigger circuit

Digital frequency meter circuit

Digital frequency meter circuit

Up/down counter circuit

Answer is:

Digital frequency meter circuit

15) How many Op-Amps are fabricated inside the LM 324 IC pack?

Two Op-Amps

Three Op-Amps

Four Op-Amps

Five Op-Amps

Answer is:

Four Op-Amps

16) How many operational amplifiers are fabricated in the LM741 IC?

One Op-Amp

Two Op-Amps

Two Op-Amps

Four Op-Amps

Answer is:

One Op-Amp

Op Amp and Timer 555 Applications MCQ with Answers

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