PH-652
Electrical power and energy
Physics · Secondary 3 · Medium · Electrical power and energy
A 60 W electric lamp is switched on for 3.0 hours.
How much electrical energy does it use?
How much electrical energy does it use?
- 6.0 × 10³ J
- 1.8 × 10⁵ J
- 6.48 × 10⁵ J
- 1.08 × 10⁷ J
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