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Question 28: An electric fan runs from the 230 V mains. The current flowing through it is 0.4 A. At what rate is electrical energy transferred by the fan ? Lakhmir Singh Physics Class 10 |
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Answer» al difference : 230 vcurrent : 0.4 Arate at which ENERGY FLOW = ? Energy = POWER , power = POTENTIAL difference × current so, P = 230 × 0.4 = 92 |
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