Electricity

Question 0

What is the amount of potential energy stored in electrons?

Answer 0

Voltage

Question 1

What is the measure of the opposition to the flow of electrons?

Answer 1

Resistance

Question 2

What is the force created when like charges repel and opposite charges attract?

Answer 2

Electrostatic force

Question 3

What is a completed path of wires, that electrons flow through?

Answer 3

Circuit

Question 4

What is the amount of work to be done in a certain amount of time?

Answer 4

Power

Question 5

What is a circuit that is closed with good continuity throughout?

Answer 5

Closed

Question 6

Be able to complete a chart for the following - quantity, symbol, unit of measure for the following
Current
Voltage
Resistance
Power

Answer 6

Current I Amp/ampere
Voltage V Volts
Resistance R Ohms
Power W Watts

Question 7

What is the “pressure” that pushes electrons through a conductor?

Answer 7

voltage

Question 7

What is the type of current when the electrons all move in the same direction?

Answer 7

Direct Current

Question 8

What is the term for when material has an excess or lack of electrons?

Answer 8

Static Electricity

Question 9

What is the term for the flow of electricity through a conductor?

Answer 9

Current

Question 10

What is the material that does not allow electrons to flow easily?

Answer 10

Insulator

Question 11

What is the part of the battery that absorbs electrons through a chemical reaction?

Answer 11

Cathode

Question 12

What is the term for the material that will allow the electrons to move through it easily?

Answer 12

Conductor

Question 13

What is the term for the measure of electrical current - number of electrons in a period of time?

Answer 13

Ampere

Question 14

What is the term for the type of current created when electrons move in a back and forth pattern?

Answer 14

Alternating current

Question 15

What is the term for the ability to move or to do work?

Answer 15

Energy

Question 15

What is the term for the thing that will open or close a circuit?

Answer 15

Switch

Question 16

What is the term for the safety device that is a bimetallic strip that will cause a circuit to open when too much electricity moves through the circuit?

Answer 16

Circuit Breaker

Question 17

What is the part of a battery that releases electrons by a chemical reaction?

Answer 17

Anode

Question 18

What is the term for the thing that converts AC current to DC current?

Answer 18

Diode

Question 19

What does the resistance of material depend on?

Answer 19

Material
Length
Cross Section (size of the wire)

Question 20

How long will a battery provide electric power?

Answer 20

Until the electrons have all left the anode

Question 21

What kind of circuits are dangerous in high voltage systems because they release a lot of heat?

Answer 21

Short Circuits

Question 22

What is the term for the pump that moves electrons through a wire?

Answer 22

Battery

Question 23

What can electrons do as they move through a wire?

Answer 23

WORK

Question 24

What is caused when you rub a piece of cloth and fax together?

Answer 24

A build up of electrons - which causes energy to be stored

Question 25

What is the force that pushes electrons through a wire?

Answer 25

Electrostatic

Question 26

What is the standard voltage for AC current in the US?

Answer 26

120 v

Question 27

Be able to complete the following:

Force - - Gravity - - ?????
How moved - - Water pressure (PSI) - - ?????
Thru - - Pipes - - ?????
What moves - - Water molecules - - ?????

Answer 27

Force - - Gravity - - ELECTROSTATIC
How moved - - Water pressure (PSI) - - WOLTAGE
Thru - - Pipes - - WIRES
What moves - - Water molecules - - ELECTRONS