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Op-Amp Astable Multivibrator Quiz

Authored by Mrs. G.

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Op-Amp Astable Multivibrator Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In industrial control systems, an op-amp-based astable multivibrator can be used to:

Store energy for backup

Generate continuous clock pulses for timing circuits

Amplify weak sensor signals

Switch high voltage devices directly

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the typical output waveform of an op-amp-based astable multivibrator?

Triangular wave

Sawtooth wave

Square wave

Sine wave

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In automotive applications, an astable multivibrator using op-amp can be used for:

Motor speed control

Headlight brightness control

Seat heating regulation

Blinking turn signal indicators

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which component primarily determines the frequency of an op-amp-based astable multivibrator?

Diode

Transistor

Resistor and capacitor

Transformer

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In communication systems, astable multivibrators using op-amps are used for:

Audio signal amplification

Carrier signal demodulation

Pulse generation and clock synchronization

Antenna tuning

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is an op-amp-based astable multivibrator preferred in low-power applications?

It has high current gain

It requires fewer active components

It generates sinusoidal signals

It eliminates the need for feedback

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the feedback resistor Rf​ is halved in the circuit, what happens to the frequency?

Frequency doubles

Frequency becomes half

Frequency remains the same

Output becomes DC

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