Question

An electric oven rated at 500w operates 3 hrs a day . What is the cost of the energy to operate it for thirty days at Rs.4.5 per kwh

Answer 1

Answer:

Power=500W

Time consumed per day= 3 hrs

Total days=30

Total power consumed in 30 days=30 *3*500=45000W/45 kw/h

Rate= 4.5kw/h

Bill=45*4.5

=202.5