Physics Current Electricity Different Measuring Instruments MCQ (Single Correct)

Which is a wrong statement

A
The Wheatstone bridge is most sensitive when all the four resistances are of the same order
B
In a balanced Wheatstone bridge, interchanging the positions of galvanometer and cell affects the balance of the bridge
C
Kirchhoff's first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge
D
The rheostat can be used as a potential divider

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Text Solution

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The correct answer is:
B

In balanced Wheatstone bridge, the arms of galvanometer and cell can be interchanged without affecting the balance of the bridge.

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