AP Physics C Magnetism

The diagram shows an electromagnet made from a nail, a coil of insulated wire, and a battery. The south pole of the electromagnet is located closest to point

• A

• B

• C

• D

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

By what factor will the kinetic energy of an object increase if the velocity of the object is tripled?

• The kinetic energy will stay the same.

• 3

• 6

• 9

Shown to the right are two identical bar magnets that are fixed in place with a proton moving to the right about to enter the region between these two magnets. Which statement below best describes what happens to the proton while travelling in between the magnets?

• It curves downward and strikes the bottom magnet

• The proton continues to move to the right in a straight line

• It curves upward and strikes the top magnet

• The proton stops and moves to the left in a straight line

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the direction of the net magnetic field at point B?

• Left

• Right

• Top of the page

• Bottom of the page

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Two parallel wires carry current in opposite directions. What is the direction of the magnetic force on the current going into the page due to the current going out of the page?

• Left

• Right

• Top of the page

• Bottom of the page

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

An electron enters a uniform electric field perpendicular to the field lines. What must be the direction of the magnetic field in order to cancel the electric force effect?

• Left

• Right

• Into the page

• Out of the page

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the magnitude of the magnetic field at point B produced by a current I if the magnitude of the field at point A is B₀?

• B₀

• 2B₀

• 4B₀

• B₀ /2

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Two parallel wires carry currents I₁ and I₂ in the same direction and separated by a distance d. The magnitude of the magnetic force between the wires is F₀. What is the force between the wires if each current is doubled and the separation is quadrupled?

• 2F₀

• 4F₀

• F₀

• F₀ /2

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A charged particle enters a uniform magnetic field with velocity v that is perpendicular to the magnetic field. Which of the following can be a possible path of the charged particle? Select two answers.

(a)  

• E

• D

• F

• G

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

A charged particle moves through a magnetic field. Which of the following will NOT affect the magnetic force experienced by the particle?

• The charge of the particle

• The velocity of the particle

• The mass of the particle

• The strength of the magnetic field

Tags

NGSS.HS-PS3-5