More cards in this set

Card 6

Front

What quantity is measured in kilojoules?

Back

Preview of the front of card 6

Card 7

Front

An electric light bulb transfers 6000J of energy in 1 minute. What is its power?

Back

Preview of the front of card 7

Card 8

Front

Why is the electrical energy supplied by the mains measured in kilowatt-hours?

Back

Preview of the front of card 8