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WorksheetsMagnets and Electricity
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
Produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.
a)
generator
b)
electric motor
c)
electromagnet
2.
Used at powerplants to produces elecrical energy for our homes.
a)
generator
b)
electric motor
c)
electromagnet
3.
Contains coils of wire that are stationary and rotating magnets that are moved by turbines.
a)
generator
b)
electric motor
c)
electromagnet
4.
Huge wheels that rotate when pushed by water, wind or steam.
a)
turbines
b)
leads
c)
magnets
5.
Transforms mechanical energy to electrical energy.
a)
generator
b)
electric motor
c)
electromagnet
6.
Changes electrical energy into mechanical energy
a)
generator
b)
electric motor
c)
electromagnet
7.
Contains an electromagnet that rotates between the poles of a magnet.
a)
generator
b)
electric motor
c)
electromagnet
8.
The coil of the electromagnet must be connected to a __________ or another source of electricity.
a)
battery
b)
wire
c)
magnet
9.
What is this device?
a)
electromagnet
b)
generator
c)
electric motor
10.
The battery in this machine is our ____________ of electrical energy.
a)
conductor
b)
source
c)
resistor (device)
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