Question

In an electrical circuit...

H = W = i2Rt   [ H directly proportional to R ]

But i2Rt can also be written as (V/R) x (V/R) x R x t  =  V2t/R...

H = W =  V2t/R .  [ H inversely proportional to R ]

 

therefore my question is how can heat be both directly and inversely proportional to the resistance in the circuit??

Joshi sir comment

you should take the formula in which one variable is constant and for a circuit current will be constant

Read 1 Solution.

do not go on formula use common sense if more resistance then there will be more heat production

SARIKA SHARMA 10 year ago is this solution helpfull: 1 1

Submit Your Answer


please login to submit your answer

Login Here

Register