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DC and AC Generator

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Used 2+ times

DC and AC Generator
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Diagram shows the flow of

Alternating Current

Direct Current

Floating current

Fluctuating current

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Diagram shows the flow of

Alternating Current

Direct Current

Floating current

Fluctuating current

Tags

NGSS.HS-PS2-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This produces electrical energy when an electromagnet is rotated between magnets.

Generator

Motor

Electromagnet

Circuit

Tags

NGSS.HS-PS2-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consists of a pair of plates attached to the axle and provides two connections for the coil of the electromagnet.

Commutator

Aramture

Brushes

DC Power Supply

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What do you call a huge wheel that rotates when pushed by water, wind, or steam (associated with generators)?

Magnet

Turbine

Motor

Pipe

Tags

NGSS.HS-PS3-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main difference between a DC generator and an AC generator?

DC generator produces direct current, AC generator produces alternating current

DC generator is used in homes, AC generator is used in industries

DC generator is smaller, AC generator is larger

DC generator is more efficient than AC generator

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which component in a generator is responsible for converting mechanical energy into electrical energy?

Rotor

Stator

Commutator

Armature

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-5

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