PHysics Electrostatic/Electric Current

Question 1

Conductor

Answer 1

A material through which a charge will move easily (Copper, gold, aluminum)

Question 2

Electrostatic

Answer 2

The study of electric charges that can be collected and held in one place

Question 3

Insulator

Answer 3

A material through which a charge will not move easily (Glass, diamond, plastic, wood)

Question 4

What are the three parts of an electroscope

Answer 4

Knob, insulator, leaves

Question 5

Three applications of Electric Forces

Answer 5

Laser printer, tiny point droplets, photocopy machines

Question 6

DIfference between semiconductors and superconductors

Answer 6

A superconductor has zero resistance and a semiconductor can be both a conductor and an insulator

Question 7

A conventional current is the flow of

Answer 7

Positive charge

Question 8

A ___ is a material with zero resistance

Answer 8

superconductor

Question 9

In a ___ there is only one path for the current to flow

Answer 9

Series connection

Question 10

Who was the narrator of the Cosmos episode titled “Electric Boy”

Answer 10

Neil deGrasse Tyson

Question 11

Who is the “Electric Boy”

Answer 11

Michael Faraday

Question 12

Current is measured in unit called

Answer 12

amperes

Question 13

Power is measured in

Answer 13

Watts

Question 14

Parallel connection

Answer 14

more than one path for current to flow

Question 15

Resistor

Answer 15

device designed to have a specific resistance

Question 16

Ohm is the unit of

Answer 16

resistance

Question 17

Joule is the unit of

Answer 17

energy

Question 18

Name the five main energy sources for creating electricity

Answer 18

coal, petroleum, natural gas, nuclear power, hydropower

Question 19

Name the four alternative energy sources for creating electricity

Answer 19

Geothermal power, solar power, wind power, biomass + agricultural waste

Question 20

Static electricity

Answer 20

Formed by rubbing electrons off, or on, a surface

Question 21

like charges

Answer 21

repel

Question 22

ion

Answer 22

charged particles

Question 23

attract

Answer 23

unlike charges

Question 24

conductor

Answer 24

allows electric current to flow

Question 25

farad

Answer 25

unit of capacitance

Question 26

electroscope

Answer 26

device used for detecting electric charge

Question 27

electric field

Answer 27

force surrounding a charged object

Question 28

voltage

Answer 28

potential difference

Question 29

capactior

Answer 29

device used to store electric charge

Question 30

insulator

Answer 30

prevents flow of electrons

Question 31

ohm

Answer 31

unit of electrical resistance

Question 32

Ben Franklin

Answer 32

kite experiment

Question 33

battery

Answer 33

chemical device to make electricity

Question 34

electric current

Answer 34

flow of electrons

Question 35

dielectric

Answer 35

insulator sheet in a capacitor

Question 36

superconductor

Answer 36

has no internal resistance

Question 37

joule

Answer 37

unit of energy

Question 38

watt

Answer 38

unit of power

Question 39

volta

Answer 39

invented the battery

Question 40

What are the four things that can affect resistance

Answer 40

length conductor, temperature, conductor material, cross sectional area

Question 41

compare flow of water to the flow of current

Answer 41

the flow of water is like the flow of electricity through a wire

a flow of electricity is like a flow of water with no leaks

Question 42

what is an electroscope designed to remove

Answer 42

air currents

Question 43

grounding

Answer 43

the process of removing access charge by connecting an object to Earth