Electrostatics

Question 1

What is Electrostatics?

Answer 1

The study of stationary electric charges

Question 2

Electric charges are measured in

Answer 2

Coulomb

Question 3

Atoms that are fixed inside the nucleus

Answer 3

Protons

Question 4

Atoms that are free to move outside the nucleus

Answer 4

Electrons

Question 5

If electrons are removed, how is the atom charged?

Answer 5

Positive

Question 6

If electrons are added, how is the atom charged?

Answer 6

Negative

Question 7

Which shells are more tightly bound?

Answer 7

Inner shells

Question 8

The process of removing or adding electrons

Answer 8

Electrification

Question 9

Does not allow the free flow of electrons

Answer 9

Nonconductor/Insulator

Question 10

Allow the free flow of electrons

Answer 10

Conductors

Question 11

Between a nonconductor and a conductor

Answer 11

Semiconductor

Question 12

No resistance to electron flow - must be very cold

Answer 12

Superconductor

Question 13

1st law of Electrostatics

Answer 13

Like charges repel, unlike charges attract

Question 14

The region surrounding every charged body in which a force is exerted on another charged body

Answer 14

Electric Field

Question 15

2nd law of Electrostatics

Answer 15

Stronger when closer, Weaker with more distance

Question 16

3rd law of Electrostatics

Answer 16

Electric charges reside only on the external surface

Question 17

4th law of Electrostatics

Answer 17

The concentration of charges on a curved surface is greatest at the curvature

Question 18

5th law of Electrostatics

Answer 18

Only negative charges can move

Question 19

3 methods of Electrification

Answer 19

Friction, Induction, Contact

Question 20

Removal of electrons from one object by rubbing it with another object

Answer 20

Friction

Question 21

When two objects touch, permits electrons to move from one body to another

Answer 21

Contact

Question 22

Electrical fields acting in one another without contact

Answer 22

Induction

Question 23

Electric Ground

Answer 23

Earth

Question 24

What is the principle reservoir for excess electric charge?

Answer 24

Earth

Question 25

Regarding the movement of an electric charge from one atom to another

Answer 25

Usually outer shell electrons move

Question 26

What is concerned with resting electric charges?

Answer 26

Electrostatics

Question 27

Coulombs law states that electrostatic force is inversely proportionate to

Answer 27

the square of the distance between charges

Question 28

What are the three methods of electrification?

Answer 28

Friction, Contact, Induction

Question 29

The unit of electrostatic charge is

Answer 29

Coulomb

Question 30

The principal electrostatic law states that

Answer 30

An electron will repel and electron

Question 31

Objects becomes electrified because of the transfer of

Answer 31

electrons

Question 32

Lightning occurs when

Answer 32

One cloud is positively charged and the adjacent one is negative