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  4. a set f ' n ' identical resistors each of resistance R ohm when connected in reries have a effective resistance of x ohms and when connected in parallel the effective resistance of Y ohms. Then the relation between R, X and Y is

Q. a set ' ' identical resistors each of resistance ohm when connected in reries have a effective resistance of ohms and when connected in parallel the effective resistance of ohms. Then the relation between and is

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Solution:

WKT




therefore

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