Question

if 1 kWh of energy costs Rs 10, how much does it cost to use
a) a 2 kW heater for 4 hours?
b) a 100 W light bulb for 5 hours?
c) a 1W lamp for 4hours?

Answer 1

Answer:

85 rupees and 40 paise

Explanation:

Thanks

Answer 2

Answer:

1.)80

2. )1

3.)0.01

Explanation:

hope it helps..........