Optocoupler Quiz

Optocoupler Quiz

10th Grade

8 Qs

quiz-placeholder

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Optocoupler Quiz

Optocoupler Quiz

Assessment

Quiz

Engineering

10th Grade

Practice Problem

Medium

Created by

Richard Duffy

Used 3+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the primary function of an optocoupler?

To amplify electrical signals

To transfer electrical signals between isolated circuits using light

To store electrical energy

To convert AC to DC

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What components typically make up an optocoupler?

A resistor and a capacitor

A diode and a transistor

An LED and a photodetector

A battery and a switch

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

How do optocouplers pass signals between circuits?

Using magnetic fields

Using sound waves

Using light

Using heat

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What happens when a voltage is applied across the collector and emitter leads of an optocoupler?

No current flows

A large current flows

A tiny current flows

The circuit shorts

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

In what type of applications are optocouplers commonly used?

Cooking appliances

Power supplies and communication devices

Musical instruments

Sports equipment

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the main purpose of an optocoupler?

To control a switching element without physical contact

To increase the speed of a circuit

To reduce the size of a device

To enhance audio quality

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

Why is electrical isolation important in an optocoupler?

To increase the speed of the signal.

To protect sensitive components from high voltages and noise.

To reduce the size of the circuit.

To enhance the brightness of the LED.

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