Electromagnetism

What subatomic particle can move from one atom to another?

• proton

• neutron

• electron

• quark

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How do objects become electrically charged?

• by gaining or losing protons

• by gaining or losing electrons

• by gaining or losing neutrons

• by gaining or losing quarks

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Two like charges will _______________________ each other

• repel

• atract

• not affect

• none of these

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A way that objects can become statically charged is by

• friction

• induction

• contact

• all of these

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If two negative charges are brought closer to each other, the force of repulsion will be ___________________.

• greater

• lesser

• not change

• none of these, they attract each other

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If a positive and negative charge have their charge amounts doubled, the resulting force of attraction will be ____________.

• 1/2

• 1/4

• doubled

• none of these, they repel

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Objects which are magnetic have tiny areas of atoms with similar magnetism, these areas are known as _____________

• magnetic fields

• domains

• poles

• electrons

What creates a magnetic field?

• charged particles that do not move

• moving electric charges

• gravity

• an isolated magnetic pole

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How can a permanent magnet be demagnetized?

• by cutting it in half

• heating or jarring it

• placing it in a strong electric field

• dragging it behind a large semi truck

a coil of wire that is carrying a current and produces a magnetic field

• electromagnet

• solenoid

• galvanometer

• electric motor

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