Review: Electromagnetic Induction

What would happen if I move a bar magnet in and out of a coil of copper wire?

• Electric current would disappear 
• The magnet would explode 
• Electric current will flow through the wire
• It would produce a gravitational field

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which activity will produce the highest current?

• Move the magnet bar into the coil while the coil remains stationery

• Move the coil into the magnet bar while the magnet remains stationery

• Move the coil and magnet towards each other

• Move the coil and magnet away from each other

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Where is the strongest attraction force of the magnet?

• at the poles
• in the middle
• above the magnet
• below the magnet

Tags

NGSS.HS-PS2-5

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If you break a bar magnet in half, you can separate the north and south pole of the original magnet.

• True

• False

What creates a magnetic field?

• charged particles that do not move

• moving electric charges

• gravity

• an isolated magnetic pole

Tags

NGSS.HS-PS2-5

Magnetic Field lines around a bar magnet:

• are perpandicular the the magnet

• spread out from north pole and curve to south

• Cross back and forth over eachother

• are perfectly straight

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NGSS.MS-PS2-5

Which object(s) have magnetic fields?

• Electric Charges

• Magnets

• Both Electric Charges & Magnets

• Magnetic fields do not exist

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A(n) ___ converts electricity into magnetism.

• electric transformer

• electric generator

• electromagnet

• electric motor

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NGSS.HS-PS2-5

The ___ coils a wire has the ___ current is able to be generated.

• more; more

• less; more

• more; less

• less; less

Tags

NGSS.HS-PS2-5

When an electric current runs through a wire, a magnetic field is induced …

• a. Around the wire

• b. Parallel to the wire

• c. Under the wire

• d. through the wire

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5