AP Physics 2 Magnetism

Magnetism is generated by moving

• protons.
• electrons.
• neutrons.
• elements.

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What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

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As the distance between two magnets increases (they get farther apart), the force between them:

• Increases
• Decreases
• Stays the Same

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If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole
• Both halves get only a North Pole
• Both halves get only a South Pole
• Both halves get a North pole and a South Pole

What is responsible for the Magnetic Field around Earth?

• The Earth's crust
• The Earth's molton iron core
• The Earth's mantel
• The Sun

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Which direction is the North Pole of this electromagnet?

• Right
• Left
• Up
• Down

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In un-magnetized materials the domains are __________ aligned.

• super
• slightly
• randomly
• always

How can a wire become magnetic?

• point it north

• add a resistor

• heat it up

• run a current through it

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Which of the following shows the magnetic field correctly around a bar magnet?

• A
• B
• C
• D

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Two bar magnets are placed parallel to each other, North to North and South to South. Which statement best describes the forces between the bar magnets?

•  Gravitational force and magnetic force are both repulsive
•  Gravitational force and magnetic force are both attractive
• Gravitational force is attractive and magnetic force is repulsive
• Gravitational force is repulsive and magnetic force is attractive

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