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An electric cooker has an oven rated 3 kW, a grill rated 2 kW and two rings each rated 500 W. The cooker operates from a 240V...

      

An electric cooker has an oven rated 3 kW, a grill rated 2 kW and two rings each rated 500 W. The cooker
operates from a 24 0V mains. What is the cost of operating all the parts for 5 minutes if electricity costs Sh 1.50 per unit?

  

Answers


Moraa
Total units consumed= [3+2+(2x0.5)]x5/60
=3kWh
Total cost= 3kWh x sh 1.50
= Ksh 4.50
Moraa orina answered the question on April 11, 2018 at 17:52


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