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How Electric Motors Works

How Electric Motors Works

Assessment

Presentation

Science

10th Grade

Practice Problem

Medium

NGSS
HS-PS2-5, HS-PS3-5

Standards-aligned

Created by

Romelyn Belmonte

Used 27+ times

FREE Resource

8 Slides • 8 Questions

1

How Electric Motors Works

By Romelyn Belmonte

2

media

3

Multiple Choice

It is most often a permanent magnet or row of magnets lining the edge of the motor casing.

1

Armature

2

Stator

3

Rotor

4

Commutator

5

Brushes

4

media

5

Multiple Choice

It is the moving part of the electric motor. It turns the shaft that delivers the mechanical power.

1

Armature

2

Stator

3

Rotor

4

Commutator

5

Brushes

6

media

7

Multiple Choice

It is a mechanism used by your motor to switch the input of most DC motors and certain AC motors.

1

Armature

2

Stator

3

Rotor

4

Commutator

5

Brushes

8

media

9

Multiple Choice

They send electrical current to the commutator and are typically made of graphite.

1

Armature

2

Stator

3

Terminals

4

Commutator

5

Brushes

10

media

11

Multiple Choice

They are the locations where the battery attaches to the motor and sends the current to spin the rotor.

1

Armature

2

Brushes

3

Terminals

4

Commutator

5

Armature

12

media

13

How does electric motor work?

media

Parts... functions... Interaction...​

14

Multiple Choice

Which part provides the permanent magnetic field?

1

Rotor

2

Stator

3

Brushes

4

Terminals

15

Multiple Choice

Which of the following may happen if there is no commutator?

1

The rotor will reverse its spin.

2

The stator will collapse.

3

The rotor will be attracted to the stator.

4

The rotor will stop spinning.

16

Multiple Choice

Which will increase the power of the electric motor?

1

Increase the number of solenoids.

2

Use batteries instead of outlets.

3

Use lower current.

4

Use a heavier core.

How Electric Motors Works

By Romelyn Belmonte

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