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14 questions
If two charges repel each other, the two charges must be-
Positive and neutral
Positive and negative
positive and neutral
negative and negative
Which of the following is an example of a conductor?
plastic
copper
glass
rubber
If the balloon has a negative charge, the hair must have what charge?
negative
positive
neutral
_______ is when there is a buildup of charges (more of one type of charge) on an object.
static electric discharge
static electricity
current electricity
When someone's hair is charged by the person holding onto the Van de Graaf generator, you are observing ___.
friction
conduction
induction
Select three that describe insulators.
allow charges to flow easily
do not allow charges to flow easily
plastic
metal
surround a wire
The ball on the string is being repelled (pushed away) by the metal bar.
What must be the charge on the ball?
postivie
neutral
negative
Read the following statements about electric force. Which statement is NOT CORRECT?
The smaller the distance between 2 charged particles, the stronger the electric force.
The higher the charges involved, the stronger the electric force.
The greater the distance between 2 charged particles, the weaker the electric force.
The smaller the distance between 2 charged particles, the weaker the electric force.
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