PH-2353
Power
Physics · Secondary 4 · Medium · Power
A 60 W light bulb is left switched on for 3.0 hours. How much electrical energy does it use in joules?
Use the relationship between power, energy and time.
Use the relationship between power, energy and time.
- 6.48 × 10^5 J
- 1.80 × 10^5 J
- 2.16 × 10^5 J
- 6.48 × 10^4 J
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