Quiz 4 on Operational Amplifiers

Quiz 4 on Operational Amplifiers

12th Grade

20 Qs

quiz-placeholder

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Quiz 4 on Operational Amplifiers

Quiz 4 on Operational Amplifiers

Assessment

Quiz

Engineering

12th Grade

Easy

Created by

MD ESHRAT E ALAHI

Used 5+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of an operational amplifier (op-amp)?

To decrease the amplitude of signals

To amplify electrical signals

To convert digital signals to analog

To store electrical energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ideal input impedance of an op-amp?

Zero ohms

Infinite ohms

1000 ohms

10 ohms

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the output of an op-amp is connected to its inverting input?

It creates a positive feedback loop

It stabilizes the output

It increases the gain

It causes the output to oscillate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a non-inverting amplifier?

It requires a feedback resistor

The output is in phase with the input

The gain is less than one

The output is inverted

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of negative feedback in an op-amp circuit?

To increase the gain

To stabilize the output

To reduce input impedance

To create distortion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an inverting amplifier, what is the relationship between the input voltage and output voltage?

Vout = Vin + 1

Vout = -Vin

Vout = Vin/2

Vout = Vin

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a summing amplifier?

To amplify a single input signal

To subtract two input signals

To add multiple input signals

To filter out noise

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