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n resistance each of r "ohm", when conne...

n resistance each of r `"ohm"`, when connected in parallel give an equivalent resistance of R `"ohm"`. If these resistances were connected in series, the combination would have a resistance in `ohms`, equal to

A

`R/n^2`

B

R/n

C

nR

D

`n^2R`

Text Solution

Verified by Experts

The correct Answer is:
D
According to question `R=r/n rArr r=nR`
`R_"series"=nr=n^2 R`
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