1.

Define electric power. An electric motor is rated at 2kW. Calculate the cost of using it for 2 hours daily for the month of September if each unit costs ₹ 6.00.

Answer»

Solution :Rate at which ELECTRIC ENERGY is consumed / dissipated in an electric circuit.
`E= Pxxtxx` no of DAYS = 2kW`xx 2h xx30 = 120` kWh = 120 unit
`:. ` COST = `₹ 6xx120 = ₹720.`


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