Magnetism Question Preview (ID: 49862)


Questions To Help You Study For The Electricity Magnetism Test. TEACHERS: click here for quick copy question ID numbers.

Increasing the distance between magnets has this effect on the magnetic force:
a) No change
b) Increases the attraction force
c) Decreases the attraction force
d) Only changes when the magnets are in physical contact

Things that affect the power of a magnetic field include:
a) size of the magnet
b) distance between magnets
c) direction of magnet
d) All of the above

The force of a magnet pushing or pulling is called:
a) magnetic field
b) magnetism
c) magnets
d) friction

The area around the magnet that exerts force is called a:
a) electric field
b) static charge
c) magnetic field
d) magnetism

Where the magnetic field is the strongest:
a) in the middle
b) at the north end
c) at the south end
d) at the poles

What opposite poles of a magnet do:
a) attract
b) repel
c)
d)

An object that attracts or repels certain other materials is called a:
a) pole
b) magnet
c) magnetic field
d) electromagnet

Materials that are attracted to magnets include:
a) Iron
b) Steel
c) Copper
d) all of the above

What happens when 2 like poles interact?
a) attract
b) repel
c)
d)

What happens when two unlike poles interact?
a) attract
b) repel
c)
d)

A device that converts electrical energy into physical movement
a) Electromagnet
b) Motor
c) Generator
d) Magnet

Occurs naturally around a wire with flowing electricity:
a) Magnetic field
b) Electric field
c) Static electricity
d) Conductor

What increases the strength of the magnetic field by condensing it together?
a) Nail
b) Wire coils
c) Battery
d) Magnetism

An electric current flowing through a wire generating a magnetic field is called a:
a) Magnet
b) Motor
c) Generator
d) Electromagnet

What material is placed inside the coils to make the magnet stronger?
a) Copper wire
b) Magnet
c) Iron or steel nail
d) Aluminum nail

What provides the electricity for the circuit?
a) Iron or steel nail
b) Battery
c) Copper wire
d)

Increasing the number of coils around a nail, has what kind of effect on the strength of the electromagnet?
a) Makes in stronger
b) Makes it weaker
c) Has no effect
d)

Increasing the amount of voltage, has what kind of effect on the strength of the electromagnet?
a) Makes it stronger
b) Makes it weaker
c) Has to effect
d)

If you took out the iron nail from an electromagnet, what happens?
a) Makes the magnetic field stronger
b) Makes the magnetic field weaker
c) Loses its magnetism
d) Has no effect

Increasing the strength of a magnet will decrease the speed of a motor.
a) True
b) False
c)
d)

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