A household refrigerator consumes electrical energy at the rate of 200 W. lf electricity costs 5 k per kWh, calculate the cost of operating the appliance for 30 days.
The correct answer is: A
Explanation
E = 200 x 30 x 24 Wh = 144000; Wh = 144KWhCost 144 x 5k = N7.20