HS Physics Magnetism (Same as PPT)

Which is a naturally occurring magnet?

• magnetite

• lodestone

• pyrrhotite

• taconite

Which is NOT true about magnets?

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• 
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Which is not a type of magnet?

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Which of these are necessary for a particle to experience a magnetic force in a magnetic field?

• A, B, C, and D

• A, B, and C only

• A, B, and D only

• B and C only

A positive charge is moving in a magnetic field as shown. In which direction is the magnetic force on the positive charge?

• up

• down

• right

• left

A negative charge is moving in a magnetic field as shown. In which direction is the magnetic force on the negative charge?

• up

• down

• right

• left

Which equation defines the magnetic force on a moving charge?

Which equation defines the force that a current-carrying wire experiences in a magnetic field?

A wire that is 50 cm long and carrying a current of 8.0 A is at right angles to a 0.40-T magnetic field as shown. What is the force that acts on the wire?

• 160 N, into the page

• 160 N, out of the page

• 1.6 N, into the page

• 1.6 N, out of the page