AP Physics Magnets

The diagram shows a coil of wire connected to a battery. The N-pole of this coil is closest to

• A

• B

• C

• D

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which particle would produce a magnetic field?

• A stationary charged particle

• A neutral particle moving in a straight line

• A moving charged particle

• A neutral particle moving in a circle

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In the diagram, when the conventional current is flowing in the direction indicated by the arrow, the direction of the force in the wire will be

• toward the south pole

• toward the north pole

• into this screen

• out of this screen

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

An electron in a magnetic field travels at constant speed in the circular path represented in the diagram. Which arrow represents the direction of the net force acting on the electron when the electron is at position A?

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NGSS.HS-PS2-1

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The field around a permanent magnet is caused by the motions of

• electrons

• protons

• nucleons

• neutrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In the diagram, electrons flowing through the wire as shown will cause the wire to move toward the

• top of this screen

• bottom of this screen

• south pole

• north pole

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The diagram represents an electromagnet. The arrows indicate the direction of the magnetic field. What is the polarity of K?

• positive

• north

• negative

• south

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A beam of electrons is directed from point A toward point B between the poles of the magnet. As the beam passes between J and K, it will be deflected

• out of this screen

• toward J

• toward K

• into this screen

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

If the voltage of the power source is increased, the magnitude of the flux density between the poles of the magnet will

• decrease

• increase

• remain the same

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

An electron traveling at a speed (V) in the plane of this screen enters a uniform magnetic field. Which diagram best represents the condition under which the electron will experience the greatest magnetic force as it enters the magnetic field?

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Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5