Published by:
CGP EDU Academic Team
Published on: September 12, 2026
In an experiment to find emf of a cell using potentiometer, the length of null point for a cell of emf 1.5 V is found to be 60 cm. If this cell is replaced by another cell of emf E. the length-of null point increases by 40 cm. The value of E is 
V. The value of x is__________.
Text Solution
Verified by ExpertsThe correct answer is:
25
(25)
x = 25
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