PH-1941
Electrical power and energy
Physics · Secondary 4 · Medium · Electrical power and energy
A kettle of power 800 W is used to heat water for 6.0 min. How much electrical energy does it use?
- 4.8 × 10^3 J
- 2.88 × 10^4 J
- 2.88 × 10^5 J
- 4.80 × 10^5 J
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