Physics, 27.06.2021 20:30, bfell92

calculate:An elcetric lamp is rated 240V and 40W. What is the cost of running the lamp for 62 hours if the elctricity authorities charges #2.50k per KWH

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calculate:An elcetric lamp is rated 240V and 40W. What is the cost of running the lamp for 62 hours...