Electromagnetic Field

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

what is a solenoid?

• a wire carrying a current

• a magnet eating pizza

• a current carrying coiled wire

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NGSS.HS-PS2-5

how does an electric current produce a magnetic field?

• with friction

• when electricity is in motion

• when electrical charge is in motion

• with force and friction

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Current is carried by a long straight wire designated by the black x. Current is flowing into the page. What direction is magnetic field directed?

• out of the page

• into the page

• clockwise

• counterclockwise

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NGSS.HS-PS2-5

A magnetic field is shown directed counterclockwise around a long, straight current-carrying wire. The wire carries current in the ________ direction.

• up (y)

• down (-y)

• into the page (-z)

• out of the page (z)

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NGSS.HS-PS2-5

Which two are true about the electromagnet?

• The magnetic field points down (-y) inside the nail.

• The magnetic field points up (+y) inside the nail.

• The paperclips are attached to the north pole.

• The paperclips are attached to the south pole.

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

A solenoid is viewed from the side such that its field is seen going into the page. The current in the solenoid must be traveling ________.

• clockwise

• counterclockwise

• into the page

• out of the page

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following is true about the magnetic field formed inside the solenoid? (choose all applicable)

• It points from left to right.

• It points from right to left.

• The left side of the solenoid is the north pole.

• The right side of the solenoid is the north pole.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

If the current is going up on the front side of the coil then what side of the electromagnet is north?

• Up
• Down
• Left
• Right

Tags

NGSS.HS-PS2-5

Using the right hand rule, B represents the direction of the

• current

• magnetic field

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NGSS.HS-PS2-5