Question

an electric bulb draws a current of 0.8 A from 250V mains. The bulb is useed on a average 8 hours a day if energy costs Rs 3per kwh calculate the monthly bill for 30 day​

Answer 1

Answer:

The answer to your question is in the attachment.

Answer 2

Answer:

Rs.144

Explanation:

Power=voltage*current

=0.8*250=200W

To convert into kilo watts P=200/1000kW=1/5kW

Energy=P*t

= (1/5)*30*8

(must use in hours only)

= 48kWh

Cost=3*48=Rs 144

Hope it helps you!!!