Electricity

Question 1

Why is electricity not transferred at a high current?

Answer 1

because energy can be lost as heat

Question 2

How many watts are in 1 kW?

Answer 2

1000 W

Question 3

what are watts?

Answer 3

The amount of current used per hour

Question 4

How is the cost of electricity calculated?

Answer 4

Power in kilowatts multiplied by the cost of kilowatt per hour

Question 5

how does energy transfer work in an electrical circuit?

Answer 5

Chemical potential energy is transferred into kinetic energy

Question 6

voltage

Answer 6

Measured in volts
Also known as potential difference
-This is how strong the source of power is
-“Pushes” the current

Question 7

Current

Answer 7

-Measured in Ampere
-The movement/ flow of charges

Question 8

Factors that influence Current

Answer 8

-Length of wire
-Thickness of wire
-Material of wire
-Temperature

Question 9

Resistance

Answer 9

-Measured in ohms
-The opposition to the flow of current