find the heat produced by a fan of 200 volt operate for 40 minutes and a bulb of 100 volt operates for 20 minutes
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use power = workdone / time
where workdone is your actual heat ..
hope it will help you
8860992496:
so dude the heat is 5 in both cases .please cheak and tell me
no heat is not 5
you have to convert 40 minutes into second
and 20 minutes into second
okk
so the heat is 1/12
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