two bulbs of 100watt are lightened for 10 hours per day how many units of electric energy will be consumed in 1 month
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as the power is defined by the rate of doing work( which is basically the energy)
so
power = energy / time
therefore energy = 100 * 10 = 1kWh
for 30 days or 1 month
energy = 1000 * 30 = 30kWh
maths4995:
but answer in book is 48 units
check units
how to check units
mine is kWh in what is in the book
in book 48 units
anseer is conrrect according to the given questionon
ok
thanks once again time
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