Question

a 40 w refrirgerator operates for 16 h per day.calculate the cost to operate it for30 days at rupees 3.40 per kwh

Answer 1

Answer:

65.28 rupees

Explanation:

p = 40 w, t = 16 x 30 s

energy consumed (units consumed) = power x 16x30/1000 = 19.2 kwh

total cost = 19.2 x 3.40= 65.28 rupees