WorksheetsElectricity and Magenetism
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
a)
One light bulb would like up
b)
Both light bulbs would light up
c)
One light bulb would go out
d)
Both light bulbs would go out
2.
What is shown in the picture?
a)
Closed series circuit
b)
Opened parallel circuit
c)
Opened series circuit
d)
Closed parallel circuit
3.
a)
A
b)
B
c)
C
d)
D
4.
a)
chemical energy into mechanical
b)
electrical energy into mechanical energy
c)
electrical energy into chemical energy
d)
mechanical energy into electrical energy
5.
When an electric current can travel along more than one path, it is traveling in a
a)
parallel circuit
b)
series circuit
c)
open circuit
d)
closed circuit
6.
The build up of charges on an object is called
a)
stationary charges
b)
electromagnetism
c)
magnetic fields
d)
static electricity
7.
A circuit connected to the Earth is considered
a)
in-line
b)
grounded
c)
natural
d)
parallel
8.
What happens if you strike or heat a permanent magnet?
a)
it becomes stronger
b)
it changes nothing
c)
it loses it's magnetic properties
d)
the poles reverse
9.
A compass is an instrument that is used in navigation due to its property of pointing in what direction?
a)
East
b)
West
c)
North
d)
South
10.
All of the following are ways that an electromagnet can be made stronger EXCEPT—
a)
adding more loops of wire
b)
increasing the current moving through the wire
c)
changing the direction of current moving through the wire
d)
increasing the size of the of the iron core
11.
An iron nail wrapped with copper wire and attached to a battery makes
a)
metal magnet
b)
a compass
c)
an electromagnet
d)
a permanent magnet
12.
What is one advantage of using electromagnets instead of permanent magnets?
a)
electromagnets do not have poles
b)
electromagnets are smaller
c)
permanent magnets last longer
d)
electromagnets can be turned on and off
13.
Which example is an insulator?
a)
drinking glass
b)
copper penny
c)
tin can
d)
piece of aluminum foil
14.
A transistor made from silicon is used in what type of device to amplify the electrical signal?
a)
generator
b)
motor
c)
radio
d)
TV remote
100 %
