An electric kettle rated at 2.2 kW works for 4 hours a day. Calculate the number of units consumed by it in 20 days.
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EXPLANATION
- GIVEN
power = 2.2kw
time = 4 hours a day
TO FIND NUMBER OF UNITS CONSUMEDBY IT IN 20 DAYS.
FORMULA OF ENERGY CONSUMED
ENERGY = POWER X TIME
E = PT
E = 2.2 X 4
E = 8.8Kwh
energy consumed in 20days
20 X 8.8 = 176Kwh
therefore,
Electric consumed in 20 days = 176Kwh
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