Magnetic Fields
12th Grade
•8 Qs
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Magnetic Fields
Quiz
•
Physics
•
12th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which properties make materials suitable for use as a core in an electromagnet?
difficult to magnetise and easy to demagnetise
difficult to magnetise and retains magnetic strength
easy to magnetise and retains magnetic strength
easy to magnetise and easy to demagnetise
Tags
NGSS.MS-PS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The coil in an electric motor is wound onto a cylinder.
Why is the cylinder made of soft iron?
to deflect the magnetic field away from the coil
to increase the current through the coil
to increase the strength of the magnetic field through the coil
to support the coil and prevent it from collapsing
Tags
NGSS.MS-PS2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student investigates which end of a magnetic compass needle is attracted to a bar magnet.
What does the investigation show?
Both ends of the compass needle are attracted by the north pole of the magnet.
Both ends of the compass needle are attracted by the south pole of the magnet.
One end of the compass needle is attracted by the north pole and the other end by the south pole.
The compass needle is not attracted by either end of the magnet.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows some nails attracted to a metal rod by magnetic induction.
From what could the metal rod be made?
aluminium
copper
iron
magnesium
Tags
NGSS.MS-PS2-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A small compass is placed close to a strong bar magnet, the same distance from each end.
Which diagram shows the direction in which the compass needle points?
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which diagram shows the magnetic field around a bar magnet?
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An electromagnet is used to separate magnetic metals from non-magnetic metals.
Why is steel unsuitable as the core of the electromagnet?
It has a high thermal capacity.
It has a high density.
It forms a permanent magnet.
It is a good conductor of electricity.
Tags
NGSS.MS-PS2-5
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best illustrates the magnetic field around a wire that carries an electric current out of the paper?
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
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