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Electricity and Magnetism
By Laura Rideout
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Last updated almost 5 years ago
10 questions
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1
1
1
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1
Use these words to answer questions 1-5:
generator magnetic field
electric motor pole
electromagnet
Question 1
1.
Each end of a magnet is called:
Question 2
2.
A region of a magnetic force is known as a(n):
Question 3
3.
When current flows through wire wrapped in coils around a bar magnet, a temporary magnets known as a(n) ______________ is created.
Question 4
4.
A device that transforms electrical energy into movement, or mechanical energy is a(n):
Question 5
5.
Alternating current is produced by a device called a(n):
Question 6
6.
The kind of electricity that comes into our homes is called:
direct current
altenating current
Question 7
7.
A compass is a magnet.
True
False
Question 8
8.
Unlike (opposite) poles ___________.
attract
repel
Question 9
9.
Like poles ________.
attract
repel
Question 10
10.
List 3 ways electromagnets are used: