Magnetic Forces and Fields (18 Quiz)

What is the unit of magnetic field strength in the International System of Units (SI)?

• Tesla

• Newton

• Joule

• Watt

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following materials is commonly known as a ferromagnetic material?

• Copper

• Iron

• Aluminum

• Plastic

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which law explains the force between two current-carrying wires?

• Ohm's Law

• Ampere's Law

• Faraday's Law

• Coulomb's Law

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NGSS.HS-PS2-5

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A magnetic field exerts a force on a moving charge. Which of the following factors does NOT affect the magnitude of this force?

• The charge of the particle

• The velocity of the particle

• The angle between the velocity and the magnetic field

• The mass of the particle

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

Describe the relationship between electric current and magnetic fields.

• Electric current produces a magnetic field around it.

• Magnetic fields produce electric current.

• Electric current and magnetic fields are unrelated.

• Electric current weakens magnetic fields.

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

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What is the direction of the magnetic force on a positive charge moving in a magnetic field?

• Parallel to the magnetic field

• Opposite to the magnetic field

• Perpendicular to both the velocity of the charge and the magnetic field

• In the direction of the velocity of the charge

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NGSS.HS-PS3-5

Which of the following statements is true about the magnetic field lines around a bar magnet?

• They start from the south pole and end at the north pole.

• They start from the north pole and end at the south pole.

• They are straight lines.

• They do not form closed loops.

If the distance between two magnetic poles is doubled, how does the force between them change?

• It doubles.

• It halves.

• It becomes one-fourth.

• It remains the same.

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NGSS.MS-PS2-3

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