10 hours is the correct one because 100w=.1kwhr.so .1 unit=.l kwhr .1x10

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

Question Posted / vishnu.a

Answer Posted / vishnu.a

10 hours is the correct one because 100w=.1kwhr.so
.1 unit=.l kwhr
.1x10 unit=1 unit
.16 kwhr x60 mint = 1 unit
1000\60=16.65 hr

Is This Answer Correct ?

2 Yes

2 No

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