WorksheetsChapter 21 Quiz (Riddell, Paul)
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Magnetic force- the force a magnet exerts on another magnet.
a)
True
b)
False
2.
Where are the magnets the strongest?
a)
The entire magnet
b)
magnetic poles
c)
the magnetic field
3.
A magnetic field surrounds the magnet.
a)
True
b)
False
4.
Opposite magnetic poles attract each other.
a)
True
b)
False
5.
Where is the magnetic field the strongest?
a)
Its strong all around the magnet
b)
The field is never strong
c)
The poles
6.
You can see the magnetic field by placing iron filings by the magnet.
a)
True
b)
False
7.
The magnetosphere is around what planet?
a)
Do you seriously need think of this?
b)
Moon
c)
Mars
d)
Earth
8.
Ferromagnetic material doesn't have magnetic domains.
a)
True
b)
False
9.
How big is the quantity of atoms aligned with a magnetic field to make a magnetic domain?
a)
Large
b)
small
c)
medium
10.
When a material is magnetized it most likely has its atoms aligned.
a)
true
b)
false
11.
What 2 aspects make up the electromagnetic force?
a)
Electricity and magnesium
b)
Magnesium and magnetic fields
12.
Can a magnetic field be made of moving electric charges?
a)
Yes
b)
No
c)
I dont know, maybe
13.
What term best fits the definition?
A coil of current-carrying wire that produces a magnetic field.
A coil of current-carrying wire that produces a magnetic field.
a)
Transformer
b)
turbines
c)
solenoid
d)
electric motor
14.
An electromagnet is a solenoid with a ferromagnetic core.
a)
True
b)
False
15.
Changing the current of an electromagnet can control the strength of the field.
a)
True
b)
False
16.
Changing the current of an electromagnet can control the strength of the field.
a)
True
b)
False
17.
A galvanometer is used to measure small amounts of atoms in a magnetic field.
a)
True
b)
False
18.
Electromagnetic devices turn electrical energy into mechanical energy.
a)
True
b)
False
19.
Loudspeakers only contain electromagnets.
a)
True
b)
False
20.
Electric motors can turn an axle
a)
True
b)
False
21.
Electromagnetic induction has a definition too long for this question.
a)
True
b)
False
22.
Voltage is induced in a conductor that is changing magnetic fields.
a)
True
b)
False
23.
A generator converts electrical energy into mechanical energy.
a)
True
b)
False
24.
What are the 2 types of generators?
a)
AC and BC
b)
BC and DC
c)
AC and DC
d)
CC and DC
25.
A transformer is a device that increases or decreases voltage in a AC circuit.
a)
True
b)
False
26.
A turbine can help produce energy
a)
True
b)
False
27.
Power plants needed transformers to transmit farther
a)
True
b)
False
c)
What?
28.
There are 2 different types of transformers.
a)
True
b)
False
29.
What are the 2 types of transformers?
a)
Step up and step down
b)
Step right and step left
c)
Get out of and my way
d)
Wait theres 2?
30.
Faraday's law is the law about voltage being induced.
a)
True
b)
False
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