In a meter bridge experiment, null point is obtained at 20 cm from one end of the wire when resistance X is balanced against another resistance Y. If X < Y, then where will be the new position of the null point from the same end, if one decides to balance a resistance of 4X against Y?
Text Solution
Verified by ExpertsThe correct answer is:
A
We have from meter bridge experiment,
, where 
In the first case, 
In the second case 
.
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