1.

An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per kWh. What is the cost of using the heater for 3 hours ? (a) Rs 12 (b) Rs 24 (c) Rs 36 (d) Rs 48

Answer»

An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per kWh. What is the cost of using the heater for 3 hours ?

(a) Rs 12

(b) Rs 24

(c) Rs 36

(d) Rs 48



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