Question
Easy
Solving time: 1 mins
A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery used across the potentiometer wire, has an emf of and a negligible internal resistance. The potentiometer wire itself is long. When the resistance , connected across the given cell, has values of.
(i) infinity
(ii)
The balancing lengths', on the potentiometer wire are found to be and , respectively. The value of internal resistance of the cell is:
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Internal resistance,
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Question Text | A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery used across the potentiometer wire, has an emf of and a negligible internal resistance. The potentiometer wire itself is long. When the resistance , connected across the given cell, has values of. (i) infinity (ii) The balancing lengths', on the potentiometer wire are found to be and , respectively. The value of internal resistance of the cell is: |
Updated On | Feb 23, 2024 |
Topic | Current Electricity |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 16 |
Upvotes | 1599 |
Avg. Video Duration | 9 min |