how much energy is consumed when a current of 5 ampere flow through a filament of a heater having resistance of 100 ohm for 2 hours Express it in joules
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Answered by
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W=Isquared*R*t
=5*5*100*2*3600
=18000000J=1.8*10 power 7J
=5*5*100*2*3600
=18000000J=1.8*10 power 7J
Anonymous:
is this correct
no
why
OK I got it
time is to be in seconds
Answered by
3
Total energy consumed in joules= I*I*Rt*3600=5*5*100*2*3600=1.8x10^6 J
it will be 10 power 7
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