1.An electric bulb draws a current of 10 A and works on 220 V on the average 4 hours a day.
a.Find the power consumed by the bulb
If the electricity is charged at Rs2.5 for 3 KWH, what is the monthly bill for a year.
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Answer:
P=V×I=220×10=2200watt=2200/1000=2.2kw×4=
8.8kwh
3kwh = 2.5 rs
1kwh= 2.5/3
8.8kwh=2.5/3×8.8=10.56rs
8.8kwh=10.56rs
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Answer:220 rs
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