Chapter 2 Electricity Sections 1 Through 3 Part A Question Preview (ID: 25156)


Static Electricity And Electric Current. TEACHERS: click here for quick copy question ID numbers.

Materials that allow the charges of an electric current to move freely through them are called
a) insulators.
b) conductors.
c) resistors.
d) magnets.

A device that creates a potential difference in an electric circuit is a(n)
a) insulator.
b) voltage source.
c) conductor.
d) circuit.

A complete, unbroken path through which electric charges can flow is a(n)
a) electric circuit.
b) electrical resistance.
c) magnetic field line.
d) magnetic pole.

The electrons in an insulator are tightly bound to their atoms.
a) True
b) False
c) Don't know.
d) Don't care.

The strength of the electric field of a charged particle becomes greater as the distance from the particle
a) decreases.
b) increases.
c) stays the same.
d) blows up.

The charge on a proton is
a) can change according to the situation.
b) positive, and the charge on an electron is negative.
c) negative, and the charge on an electron is positive.
d) the same as the charge on an electron.

An instrument that can detect the presence of an electric charge is a(n)
a) magnet.
b) conductor.
c) electroscope.
d) generator.

An electric current will always follow
a) the path of least resistance.
b) a path toward the north pole.
c) the path that leads through insulators.
d) a path toward the south pole.

What causes charges to move in a circuit?
a) energy
b) voltage
c) magnetism
d) electricity

The type of energy that depends on position is called
a) electrical energy.
b) potential energy.
c) magnetic energy.
d) solar energy.

Suppose you acquire a positive charge from walking across a carpet. You then touch a doorknob and receive a shock. This leaves you
a) positively charged.
b) negatively charged.
c) uncharged.
d) electrically neutral.

The loss of static electricity as electric charges move off an object is called
a) conduction.
b) static discharge.
c) induction.
d) friction.

Clothes in a dryer acquire static cling by
a) static discharge.
b) friction.
c) induction.
d) conduction.

The buildup of charges on an object is called
a) negative charge.
b) static electricity.
c) static discharge.
d) positive charge.

As in the case of unlike magnetic poles, unlike electric charges
a) attract each other.
b) repel each other.
c) do not interact.
d) exist in pairs.

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