Chapter 13 – Electrostatics

Question 1

Interactions between electrons and other charges particles

Answer 1

Electricity

Question 2

Region around a charged object in which other objects are either repelled or attracted by electric force

Answer 2

Electric field

Question 3

Imaginary lines which indicate direction and strength of a electric field

Answer 3

Lines of force

Question 4

Process of diverting unwanted electric charge directly into the earth

Answer 4

Grounding

Question 5

Transfer of electric charge between distant objects without direct contact

Answer 5

Induction

Question 6

Transfer of electric charge between objects in direct contact

Answer 6

Conduction

Question 7

Flow of charge from one place to another

Answer 7

Current

Question 8

Study of the nature, behavior, and uses of static electricity

Answer 8

Electrostatics

Question 9

Electric field in which strength is equal throughout (occurs with two objects with opposite charges)

Answer 9

Uniform field

Question 10

A device that produces static electricity

Answer 10

Electrostatic generator

Question 11

Device used to store an electric charge

Answer 11

Capacitor

Question 12

Property that allows protons and electrons to attract and repel other charged particles by the electric force

Answer 12

Electric charge

Question 13

Two opposite types of charge

Answer 13

Positive and negative

Question 14

Equal amount of positive and negative charge

Answer 14

Neutral

Question 15

Form of electricity consisting of stationary charges

Answer 15

Static electricity

Question 16

The SI unit for electric charge

Answer 16

Coulomb

Question 17

Law stating that the total charge is the same before and after an interaction

Answer 17

Law of conservation of charge

Question 18

Simple device that uses the laws of electrostatics to detect small amounts of electric charge

Answer 18

Electroscope

Question 19

Most common type of electrostatic generator

Answer 19

Van de Graaff generator

Question 20

Device used to protect buildings from lightning strikes

Answer 20

Lightning rod

Question 21

Early device used for storing electric charge

Answer 21

Leyden jar

Question 22

What happens when equal and opposite charges come into contact?

Answer 22

They neutralize each other.

Question 23

What law states that opposite charges attract and like charges repel?

Answer 23

The law of electric charges

Question 24

True or false: Conduction is by direct contact

Answer 24

True

Question 25

True or false: Induction follows the law of conservation of charge, but conduction does not

Answer 25

False; they both follow this law

Question 26

True or false: Conduction and induction are permanent

Answer 26

False; induction is usually temporary

Question 27

What sort of relationship does force have with the charge strength?

Answer 27

Directly proportional

Question 28

What is the relationship between the force and the distance?

Answer 28

Inversely proportional to the square of the distance

Question 29

Multiple choice: Where does electric charge always move to?
A) The top of the object 
B) The center of the object 
C) The outside of the object 
D) The base of the object

Answer 29

C) The outside of the object