With one unit of electricity (one kilowatt hour), a 100 W
bulb can burn for
1 1 hour
2 5 hours
3 10 hours
4 20 hours
Answer Posted / s. kaushik
use load in one hr. 100W =0.1KWH or1000 use load in one
hr.=one unit so 100/1000w=0.1kwh so 0.1kwh X 10hrs=one
unit.s
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