15 bulb of 60 watt each runs for 6 hour find the unit that it consumes
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power into time will give work
t =6 hr =360 sec
so 60×6×60 = 21600J is work by 1 bulb
by 15 ... 15×21600
1 unit = 3.6 ×10^6 J
so units consumed =
15*21600
---------------
3.6×10^6
t =6 hr =360 sec
so 60×6×60 = 21600J is work by 1 bulb
by 15 ... 15×21600
1 unit = 3.6 ×10^6 J
so units consumed =
15*21600
---------------
3.6×10^6
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