Physics, 25.08.2020 14:01, bustillojoshua4

B) An electric refrigerator rated 400W operates 8 hour /day. What is the cost of the energy to operate it for 30 days at Rs 3.00 per kWh ?

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B) An electric refrigerator rated 400W operates 8 hour /day. What is the cost of the energy to oper...