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An electric kettle is rated 2.5 KW, 250 V. Find the cost of running the kettle for two hours at 60 paise per unit. |
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Answer» Power = 2.5 KW V = 250 V Energy in KWh = P x T = 2.5 KW × 2h = 5 KWh Cost = 0.60 x 5 = Rs. 3 |
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