WorksheetsElectromagnet quiz
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
What was the function of the wire in our experiment?
a)
conductor
b)
source
c)
device
2.
an electromagnet can be used for
a)
scrapyard cranes
b)
speakers
c)
space travel
d)
All of the above
3.
What was one of the batteries in the experiment
(a)
4.
which is true
a)
electromagnets are permanent
b)
electromagnets are not used in speakers
c)
electromagnets were discovered in the 19th century
d)
electromagnets do not need a circuit
5.
What makes an electromagnet different from a regular magnet?
a)
an electromagnet can be turned on and off
b)
a regular magnet only repels
c)
an electromagnet is bigger
6.
How do electromagnets effect our lives?
a)
They power up appliances like refrigerators
b)
They make us live better
c)
They don't do anything
d)
They make food
7.
(hard) how much does a electromagnet in a generator use
a)
9v
b)
180w
c)
8.5k w
d)
6k w
100 %
