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CGP EDU Academic Team
Published on: August 21, 2026
A Wheatstone bridge is used to determine the value of unknown resistance X by adjusting the variable resistance Y as shown in the figure. For the most precise measurement of X, the resistances P and Q
Text Solution
Verified by ExpertsThe correct answer is:
We all know that a Wheatstone bridge is most precise when it is most sensitive.
This can be accomplished by making the ratio arms equal,
i.e., 
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