Magnetism and the Right Hand Rule

Which of the following would cause a magnet to increase its magnetic strength?

• Repeatedly hitting it with a hammer

• Heating in a hot oven

• Cooling it (freezer or colder)

• Coat the magnet with a thin layer of plastic

• None of these will change the magnetism

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NGSS.MS-PS2-3

Four charged particles are moving in the magnetic field depicted in the illustration above. The field is parallel to the page directed from the left to the right. Which particle’s motion unaffected magnetic field?

• A

• B

• C

• D

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

When a permanent magnet is cut half what will be the result?

• Two single pole magnets, one with a north pole and one with a south pole.

• Two dipole magnets, each with a north and south pole

• The piece of metal will lose it magnetism

• Two single pole magnets, each of the magnets only having north poles

• It depends where you are on the earth when you cut the magnet

An electron is traveling horizontally east in the magnetic field of the earth near the equator. The direction of the force on the electron is

• No Force

• North

• South

• Upward

• Downward

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The diagram above shows a magnetic field coming out of the page. A particle travels through the field following the path shown. What is the charge of the particle?

• positive

• negative

• neutral

• impossible to tell

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Each of the drawings above show a charged particle traveling through a magnetic field. For which of the drawings is the force on the charged particle to the right side of the page?

• A

• B

• C

• D

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

In the diagram above, a negatively charged particle moving with a velocity v enters a region where there is a uniform magnetic field B. What is the resulting motion of the negatively charged particle as it moves through this region?

• Deflected toward the top of the page

• Deflected out of the page

• Deflected toward the bottom of the page

• Deflected into the page

• Not defected at all

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

An anode ray tube fires a negatively charged particle toward the screen as shown in the diagram above. The magnetic field is directed toward the bottom of the page.

What is the correct path the negative charge will take?

• A

• B

• C

• D

• E

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

The Earth magnetic field is pointing north. For a positive ion to travel through the Earth’s magnetic field and not be deflected by the field, in which direction must the positive ion be traveling?

• North

• West

• East

• Northwest

• Northeast

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NGSS.HS-PS2-5

If the magnetic field vector is directed toward the north and a positively charged particle is moving toward the West, what is the direction of the magnetic force on the particle?

• Up

• West

• South

• Down

• East

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NGSS.HS-PS2-5

NGSS.HS-PS3-5