Quiz 2 Electricity Question Preview (ID: 29297)
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The buildup of charges on an object is called
a) static discharge.
b) static electricity.
c) positive charge.
d) negative charge.
Clothes in a dryer acquire static cling by
a) friction.
b) conduction.
c) induction.
d) static discharge.
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) supercharged.
d) electrically neutral.
When a glass rod is rubbed with silk and becomes positively charged,
a) electrons are removed from the rod.
b) protons are added to the silk.
c) protons are removed from the silk.
d) the silk remains neutral.
The electric force between charged objects is
a) attractive only.
b) repulsive only.
c) either attractive or repulsive.
d) neither attractive nor repulsive.
The electric field lines around a negatively charged particle
a) cross positively charged particle field lines.
b) cross negatively charged particle field lines.
c) always point inward.
d) always point outward.
If two charges repel each other, the two charges must be
a) positive and positive.
b) positive and negative.
c) negative and negative.
d) either positive and positive or negative and negative
Objects that have the same charge
a) are attracted to each other, and the force between the objects pulls them together.
b) are attracted to each other, and the force between the objects pushes them apart.
c) are repelled by each other, and the force between the objects pulls them together.
d) are repelled by each other, and the force between the objects pushes them apart.
A negatively charged balloon near a wall will build up charge in the wall by
a) friction.
b) conduction.
c) induction.
d) reduction.
Charge
a) can be created.
b) can be destroyed.
c) is conserved.
d) can be created, destroyed and is conserved.
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