1.

Find the equivalent resistance of circuit if n equal resistances are connected in 1 ) series 2) p arallel​

Answer»

Explanation:Let the resistance of each resistor be R. Series connection : Equivalent resistance (maximum) R  s ​   =R+R+....+N terms ⟹ R  s ​   =nR PARALLEL connection : Equivalent resistance (minimum)   R  P ​    1 ​   =  R 1 ​   +   R 1 ​   +...+n terms We get   R  p ​    1 ​   =  R n ​    ⟹ R  p ​   =  n R ​    Thus RATION of maximum to minimum resistance   R  p ​    R  s ​    ​   =  R/n nR ​    ⟹   R  p ​    R  s ​    ​   =n  2



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