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
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Answer Posted / sivakumar
100W burn one hr =0.1kwh
1000W burn one hr means =1 unit
100W/1000W=0.1kwh
0.1kwhx10hrs=1unit
| Is This Answer Correct ? | 64 Yes | 6 No |
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