Question

What is the cost of operating an electric iron wirh power consumption of1.2kw for 30minutes of enertis sold at N7.00per kw

Answer 1

The total energy consumption in kWh is:

1.2 kW x 0.5 hours = 0.6 kWh

The cost of energy consumed is:

0.6 kWh x N7.00/kWh = N4.20

Therefore, the cost of operating an electric iron with power consumption of 1.2 kW for 30 minutes of energy sold at N7.00 per kW is N4.20.