
DC and AC Generator
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
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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