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Question: Answered & Verified by Expert
In a potentiometer experiment of a cell of emf $1.25 \mathrm{~V}$ gives balancing length of $30 \mathrm{~cm}$. If the cell is replaced by another cell, balancing length is found to be $40 \mathrm{~cm}$. What is the emf of second cell ?
PhysicsCurrent ElectricityAIIMSAIIMS 2018 (27 May)
Options:
  • A $\simeq 1.47 \mathrm{~V}$
  • B $\simeq 1.57 \mathrm{~V}$
  • C $\simeq 1.37 \mathrm{~V}$
  • D $\simeq 1.67 \mathrm{~V}$
Solution:
1650 Upvotes Verified Answer
The correct answer is: $\simeq 1.67 \mathrm{~V}$
No Solution Available

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