Question

33.An electric refrigerator rated 500w operates 10hours/day.What is the cost

of the energy to operate it for 20days at Rs 5 per Kwh?​

Answer 1

Answer:

500 rs

Explanation:

power required to operate for 10h a day = 500*10

=5000 wh= 5Kwh.

power required to operate for 20 days=5*20

=100Kwh.

therefore cost =100*5=500 rs