Electromagnetic Force Unit Review

The ___ acts as the switch, turning an electromagnet on and off.

• cap

• commutator

• brush

• shaft

Energy is transferred from kinetic to electrical in an electric?

• generator

• motor

Tags

NGSS.HS-PS3-3

Energy can be transferred. True or False?

• False

• True

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What part of an electric motor extends through the cap, center of the casing, and rotates?

• coils

• shaft

• commutator

• brushes

Gasoline, oil, natural gas, coal, and uranium are examples of?

• nonrenewable energy sources

• renewable energy sources

An electric motor transfers energy from ___ to ___.

• electrical energy to kinetic energy

• kinetic energy to electrical energy

• kinetic energy to potential energy

Tags

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In a motor or generator, how many electromagnets are turned on at one time?

• all three

• two of the three

• one of the three

Inside a motor or generator, electromagnets that are turned on attract and repel the ______.

• shaft

• metal casing

• permanent magnets

• commutator

Tags

NGSS.MS-PS2-5

Solar energy and wind are examples of?

• nonrenewable energy sources

• renewable energy sources

Energy of motion is?

• potential energy

• kinetic energy

• magnetism

• electrical energy

Tags

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