Question

If a1200w electric iron is used daily for 30 minutes how much total electricity is consumed in the month of april

Answer 1

power=1200w=1.2KW
time=30minutes=1/2 hours
electricity consumed=?
April has 30days
therefore, total time consumed=30x1/2=15hours
formula:heat=energy=power x time
=1/2 x 15
=7.5 units
hope it helps you