NZ Level 6 (NZC) Level 1 (NCEA)
Energy of Consumption

## Interactive practice questions

Use the fact that $1$1 kWh = $3.6\times10^6$3.6×106 J to calculate how many joules $4$4 kWh is equal to.

Easy
Approx 2 minutes

Use the fact that $1$1 kWh = $3.6\times10^6$3.6×106 J to calculate how many joules $104.23$104.23 kWh is equal to.

An appliance consumes energy at a rate of $1200$1200 watts. How many joules of energy does it use if it runs for $29$29 seconds?

A microwave oven uses $0.95$0.95 kilowatts each hour. In a month, this appliance runs for $8$8 hours.

### Outcomes

#### GM6-2

Apply the relationships between units in the metric system, including the units for measuring different attributes and derived measures

#### 91030

Apply measurement in solving problems