Home Physics Current Electricity Different Measuring Instruments In the circuit given, the correct relation t…
Physics Current Electricity Different Measuring Instruments Single Correct MCQ
Published on: September 12, 2026

In the circuit given, the correct relation to a balanced Wheatstone bridge is

A
$\frac{P}{Q} = \frac{R}{S}$
B
$\frac{P}{Q} = \frac{S}{R}$
C
$\frac{P}{R} = \frac{S}{Q}$
D
None of these

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Text Solution

Verified by Experts
The correct answer is:
A
In a balanced Wheatstone bridge, the relationship between the resistances is given by the equation:
\frac{P}{Q} = \frac{R}{S}
where P and Q are the resistances in one branch and R and S are the resistances in the other branch. Since the options provided are of ratios of different configurations, upon analysis, Option A simplifies to this condition of balance.
Therefore, the correct answer is Option A.

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