Calculate the electrical energy and power used by the electric heater of 11 Ω when voltage is 220 V for 2 seconds.
University of Ilorin PHY102 2025A past question
- 8.8 kJ, 4.4 kW
- 4.4 kJ, 8.8 kW
- 5.5 kJ, 2.2 kW
- 6.6 kJ, 3.3 kW
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