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A set of n identical resistors, each of ...

A set of n identical resistors, each of resistance R ohm when connected in series, has effective resistance X ohm and when connected in parallel the effective resistance is Y ohm. The relation between R, X and Y is given by-

A

`R = sqrt(XY)`

B

`R = Y/sqrtX`

C

R = XY

D

`R = X/Y`

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