Physicseasy · Past Paper
An electric iron consumes 1000W of power. If it is used for 1 hour, how much energy is consumed in units?
A0.1 unit
B1 unit
C10 units
D100 units
✓ Correct Answer: B — 1 unit
Energy = Power (kW) x Time (h). 1000W = 1kW. 1kW * 1h = 1 kWh = 1 unit.
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