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13 questions
refers to the properties of interactions of magnets
magnetism
magnetic field
magnetic pole
magnetic domain
a region of space that surrounds magnet and exerts a force on other magnets and objects made of magnetic materials
magnetism
magnetic field
magnetic pole
magnetic domain
the region of a magnet that exerts the strongest force
magnetism
magnetic field
magnetic pole
magnetic domain
groups of atoms with aligned magnetic poles
magnetism
magnetic field
magnetic pole
magnetic domain
the attractive or revulsive force between electric charges and magnets
electromagnetic force
electromagnetism
solenoid
electromagnet
a single wire wrapped into a cylindrical wire coil
electromagnetic force
electromagnetism
solenoid
electromagnet
the interaction between electric charges and magnets
electromagnetic force
electromagnetism
solenoid
electromagnet
a temporary magnet created when there is an electric current in a wire coil
electromagnetic force
electromagnetism
solenoid
electromagnet
a device that uses and electromagnet to measure electric current
galvanometer
electric motor
a device that changes electric energy into mechanical energy
galvanometer
electric motor
Which solenoid would have a stronger magnetic field?
one with 7 wire coils
one with 5 wire coils
one with no wire coils
Which electromagnet would have a stronger magnetic field?
one with a strong electric current
one with a weak electric current
one with many wire coils
one with only a few wire coils
What makes electromagnets useful?
they can be turned on or off
their power can be increased
their power can be decreased
they create power from nothing
they can never hurt someone
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