AP Physics C Magnetism

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

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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

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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-PS3-5

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

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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

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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

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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

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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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NGSS.HS-PS2-5

NGSS.HS-PS3-5

A compass is located at point X near a bar magnet as shown in the diagram. Which diagram shows the proper direction of the compass needle?

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NGSS.MS-PS2-5

The diagram represents the magnetic lines of force around a bar magnet. At which point is the magnitude of the magnetic field strength of the bar magnet the greatest?

• A

• B

• C

• D

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NGSS.MS-PS2-3

NGSS.MS-PS2-5