A cadmium cell of 1 V balances the potentiometer wire at 600 cm. Total length of potentiometer wire is L. If the length of potentiometer wire is increased by 1 m, then the new position of null point will be

Options :
  1. 600 * (100+L)/L
  2. 600 cm
  3. 700 cm
  4. 600L/(100+L)
Answer and Explanation :-

Answer: Option 1

Explanation:

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