# What determines the emf between the two metals placed in an electrolyte? a) Relative position of metals in the electro chemical series b) Distance between them c) Strength of electrolyte d) Nature of electrolyte

## Question ID - 150270 :- What determines the emf between the two metals placed in an electrolyte? a) Relative position of metals in the electro chemical series b) Distance between them c) Strength of electrolyte d) Nature of electrolyte

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Answer Key : (a) -
 (a) The relative position of metals in the electro chemical series determines the emf between the two metals placed in an electrolyte.

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is a potentiometer wire of length  and its resistance is  It is connected in series with a resistance  and a battery of e.m.f.  and negligible internal resistance. If a source of unknown e.m.f.  is balanced by  length of the potentiometer wire, the value of  is

 a) b) c) d)