Learn About DC Motors

Learn About DC Motors

1st Grade

15 Qs

quiz-placeholder

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Learn About DC Motors

Learn About DC Motors

Assessment

Quiz

Engineering

1st Grade

Practice Problem

Medium

Created by

RanjanKumar Naik

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a DC motor?

A DC motor is a device that generates electrical energy from mechanical energy.

A DC motor is a device that converts direct current electrical energy into mechanical energy.

A DC motor is a device that converts alternating current into mechanical energy.

A DC motor is a type of battery used for energy storage.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does DC stand for in DC motor?

Distributed Control

Dynamic Current

Direct Current

Dual Circuit

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main part that spins in a DC motor?

stator

rotor

commutator

armature

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call the part that provides power to the motor?

Power supply

Battery charger

Power adapter

Voltage regulator

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the commutator in a DC motor?

The commutator reverses current direction to maintain consistent torque and rotation.

The commutator increases the voltage supplied to the motor.

The commutator acts as a cooling mechanism for the motor.

The commutator is used to convert AC to DC in the motor.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the wires that connect to the motor called?

Signal connectors

Motor leads

Control wires

Power cables

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the rotor in a DC motor?

The rotor generates torque and facilitates rotation in a DC motor.

The rotor stores electrical energy in a DC motor.

The rotor acts as a heat sink to dissipate heat in a DC motor.

The rotor controls the speed of the motor by adjusting voltage in a DC motor.

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