An electric iron is rated 220 volt - 1000 watt . What is the value of its resistance? How much amount of BOT unit will be spent by the iron in one hour?? Please solve...
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Power of the electric iron P=2 kW
Time for which the iron is operated daily t=2 h
Daily energy consumption E
daily
=Pt=2 kW×2 h=4 kWh
Total energy consumed in one week E
week
=7×E
daily
=7×4=28 kWh
Total cost =Rs.4.25×E
week
=Rs.4.25×28=Rs.119
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