Applications of Electromagnetic Induction - Quiz Quiz

Name: Revolt
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Question 1

How does an electric motor use magnetic force to produce motion?

Revolt · Accepted Answer

B: The north pole of an electromagnet placed in the center of a permanent magnet repels the north pole of the permanent magnet.

Question 2

In a step-down transformer, which describes the primary winding compared with the secondary winding?

Revolt · Accepted Answer

D: higher voltage and more coils of wire

Question 3

What parts are found in an electric generator? Choose four correct answers.

Revolt · Accepted Answer

A: a permanent magnet; C: an armature; E: brushes; F: slip rings

Question 4

Which component is found only in electric generators and not in electric motors?

Revolt · Accepted Answer

D: slip rings

Question 5

How does an electric generator work?

Revolt · Accepted Answer

B: The axle rotates the armature in the magnetic field of a permanent magnet, which induces an electric current.

Question 6

What parts are found in an electric generator? Choose four correct answers.

Revolt · Accepted Answer

A: brushes; B: an armature; D: slip rings; E: an electromagnet; F: a permanent magnet

Question 7

Which best describes the steps involved in the operation of an electric generator?

Revolt · Accepted Answer

C: The electric current passes from the slip rings, through the brushes, and to the collection device.

Question 8

In a step-down transformer, which describes the primary winding compared with the secondary winding?

Revolt · Accepted Answer

D: higher voltage and more coils of wire

Question 9

Which component is found only in electric generators and not in electric motors?

Revolt · Accepted Answer

A: slip rings

Question 10

Which best describes what happens in an electric generator?

Revolt · Accepted Answer

D: Motion causes constantly changing magnetic fields to induce electrical energy.

Applications of Electromagnetic Induction - Quiz Quiz Answers