Electrostatics Review

1.

Multiple Choice

30 sec

1 pt

What do you call the process of charging a conductor by bringing it near another charged object?

induction

polarization

neutralization

conduction

2.

Multiple Choice

30 sec

1 pt

What direction are the electric field lines around a proton?

towards the charge

away from the charge

3.

Multiple Choice

45 sec

1 pt

Which of the following is not a good conductor of electricity?

copper

silver

Glass

aluminum

4.

Multiple Choice

45 sec

1 pt

Which of the following is not a good insulator?

Copper

Glass

rubber

wool

5.

Multiple Choice

45 sec

1 pt

assume a rubber rod is rubbed against a rabbit fur and gains 5 electrons. which of the following is true?

The fur lost 5 electrons

the fur gained 5 electrons

the fur gained 5 protons

The fur lost 2 electrons

6.

Multiple Choice

45 sec

1 pt

Which of the following labeled points is in the region with the strongest force of electric charge

A

B

C

D

7.

Multiple Choice

1 min

1 pt

Two like charges

neutralize each other.

repel each other.

must be neutrons.

attract each other.

8.

Multiple Choice

45 sec

1 pt

What direction are the electric field lines around an electron?

towards the charge

away from the charge

9.

Multiple Choice

45 sec

1 pt

What does it mean when the electric field lines are close together?

the field is positive

the field is negative

The field is strong

the field is weak

10.

Multiple Choice

45 sec

1 pt

Charged objects are not attracted to neutral objects

True

False

11.

Multiple Choice

30 sec

1 pt

When a balloon is rubbed on clothes it acquires a charge by ___________

Induction

reduction

friction

concoction

12.

Multiple Choice

30 sec

1 pt

The atomic nuclei of almost all elements consists of

protons

protons and electrons

protons and neutrons

only neutrons

13.

Multiple Choice

1 min

1 pt

Good conductors

have electrons free to move around

have electrons tightly bound

do not have electrons

14.

Multiple Choice

30 sec

1 pt

Good insulators

have electrons free to move around

have tightly bound electrons

do not have electrons

15.

Multiple Choice

30 sec

1 pt

Protons move from object to object and can make the target object more positive.

True

False

16.

Multiple Choice

30 sec

1 pt

When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?

They are removed from the rod.

They are added to the rod.

17.

Multiple Choice

30 sec

1 pt

Name one thing that field line should not do

field lines spread out going away from the particle

negative points in

positive points out

intersect

18.

Multiple Choice

1 min

1 pt

The diagram shows two metal balls, P and Q, hanging from the nylon threads. P is repelled by and Q is attracted to a negatively charged rod.
Which statement is true?

P is negatively charged

Q is negatively charged

P is uncharged

P is positively charged

19.

Multiple Choice

1 min

1 pt

The charge on the dome is positive. The dome can be discharged by connecting it to earth. Which of these happens as the dome is discharging?

Positive charges flow from the dome to the earth

Positive charges flow from the earth to the dome

Negative charges flow from the dome to the earth

Negative charges flow from the earth to the dome

20.

Multiple Choice

30 sec

1 pt

What option best describes this field?

A strong electric field generated by two positive charges. They would attract each other.

A strong electric field generated by two positive charges. They would repel each other.

A weak electric field generated by two opposite charges. They would attract each other.

A weak electric field generated by two positive charges. They would repel each other.

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