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Power = I2R = V2/R.

First expression indicates power is directly proportional to R and second indicates power is inversely proportional to R.

Which is correct?

Priyansh Goel , 15 Years ago
Grade
anser 1 Answers
Sukhendra Reddy Rompally B.Tech Mining Machinery Engg, ISM Dhanbad

second

power is always inversly proportional to R

substituting v=ir,u get the first,but dat is for ohmic substances only

neways,always use the second eqn

plzzz approve my answer if u like it

Last Activity: 15 Years ago
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