Electric Force And Field And Electromagnets Question Preview (ID: 55545)


A Review Of Electric Force And Field And Electromagnets. TEACHERS: click here for quick copy question ID numbers.

What is an electromagnet?
a) A magnet with a field around it
b) A magnet create by an electric current
c) A magnetic force applied to magnetic objects
d) Anything made of cobalt, nickel or lead

The strength of an electromagnet depends on:
a) Size, material
b) Voltage, material
c) Amount of coils, voltage
d) Size, amount of coils

An electric current can be created by:
a) Batteries
b) Flamin' Hot Cheetos
c) Electricity
d) Magnets

An electric generator is:
a) A large mechanism that creates power
b) Something that uses electricity to power houses
c) A device that uses magnets to create electric current
d) A magnetic chamber that creates waves

Virtually all the electricity we use is produced by:
a) Generators
b) Power Plants
c) Turbines
d) Magnets

Electric energy is also called:
a) Electric Field
b) Magnet
c) Electricity
d) Force

An invisible force created by an electrically charged particle
a) Electric Force
b) Magnetism
c) Electric Field
d) Electromagnet

Opposite charges:
a) Repel
b) Attract
c)
d)

Like charges:
a) Repel
b) Attract
c)
d)

Electric field lines never cross
a) True
b) False
c)
d)

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