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VIVEK KHATRI Grade: 12
```        In current electricity
power (P) = I^2R and also
power (P) = V^2/R
Is power proportional to R or inversly proportional to R ??```
6 years ago

## Answers : (2)

akhil mahajan
36 Points
```										P= I2R when V is constant
and P=V2/R when I is constant..
```
6 years ago
Vikas TU
6853 Points
```										P = I22R .......(1)
p = V22/R .........(2)
from   (1)  and (2)
I22R = V22/R
(IR)2 = (V)2
V = IR
R = V/I         :. [P = VI]
But here VI is in ratio form
so, P will be inversely propirtional to R
:-)
```
6 years ago
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