Question

a 200 watt TV is used for 20 hours for a course of week if it is used for four weeks then what is the cost for electricity if rate is 5 rupees per kilowatt hour​

Answer 1

Answer:

3666

please mark as best answer and thank me please I

Answer 2

Answer:

Rs.80

Explanation:

DATA:

time= 20hr/week x 4 = 80hours in a week

energy=200watts

Rate= 5rs/kwh

SOLUTION:

power in kwh= 200/1000= 0.2kwh

Energy = power x time

E= 0.2 x 80 = 16

cost= rate x energy

cost= 5 x 16= Rs.80