AP Physics: Ferromagnetism & Electromagnetic Fields

A clumsy student drops a bar magnet and it breaks into this configuration. Afterwards, what is the result for the left and right magnets respectively?

• N-N on the left and S-S on the right

• N-S on the left and N-S on the right

• S-N on the left and S-N on the right

• S-S on the left and N-N on the right

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A clumsy student drops a bar magnet and it breaks into this configuration. Afterwards, what is the magnetic force between the two pieces?

• neutral because both magnets are neutral

• repelling because like poles repel

• attracting because like poles attract

• attracting because opposite poles attract

Tags

NGSS.HS-PS3-5

Two magnets are broken in half as shown. Which statement is true?

• Both pairs of magnets attract each other.

• The top pair of magnets attract each other while the bottom pair repels.

• The bottom pair of magnets attract each other while the top pair repels.

• Both pairs of magnets repel each other.

Tags

NGSS.HS-PS3-5

A compass is placed on top of a magnet as shown in side view. From the top view, what direction would the compass needle be pointing?

• left (-x)

• right (x)

• up (y)

• down (-y)

Tags

NGSS.HS-PS3-5

Two large magnets are placed near together. In between them, the compass needle points

• left (-x)

• right (x)

• up (y)

• down (-y)

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which shows the correct magnetic field?

• a

• b

• c

• d

• e

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Students make field lines between three bar mangets. Which two poles must the same polarity as E in order to form these field lines?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Current is carried by a long straight wire designated by the black x. What direction is the conventional current traveling?

• out of the page

• into the page

• clockwise

• counterclockwise

Tags

NGSS.HS-PS2-5

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

• out of the page

• into the page

• clockwise

• counterclockwise

Tags

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)

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5