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Physics, 24.05.2021 06:30, lujaynsparkles
Two bulbs of 100w are burnt for 4 hours daily and a coffee heater of 750 watt is operated for 20 min. calculate the amount of heat energy consumed and the cost in the moth of February if 1 unit is 2.2 rupees.
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Answers: 3
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Two bulbs of 100w are burnt for 4 hours daily and a coffee heater of 750 watt is operated for 20 min...
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