Calculate the electrical energy and power used in an electric heater of 11 ohms when the voltage source is 220V AC for 2 seconds. (Duplicate of Q71, but with same options)
University of Ilorin PHY102 2025A past question
- 880 J, 440 W
- 500 J, 250 W
- 1100 J, 550 W
- 660 J, 330 W
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