Question

What will.the cost of energy consumed
@Rs 0.50 per kWh, in operating 100W
lamp.for 10 hours, 1000W heater for 2
hours and 500 W electric iron for 4
hours?​

Answer 1

Answer:

Given :    P=1000 W =1 kW    

         t=10 h

∴ Energy consumed in 10 h    

  E=Pt=1×10=10kWh