Question

What happens to the balance condition, if the source and detector are interchanged?

(a) increases by a factor of 2

(b) reduces to half

(c) remains unchanged

(d) independent of the type of source and detector

The question was asked in an online quiz.

This question is from Advantages of Bridge Circuits in portion Measurement of Resistance of Electrical Measurements

Answer 1

Correct choice is (c) remains unchanged

The explanation: The balance condition is independent of the positions of the source and the detector. Source and detector can be connected across any two sets of opposite arms of the bridge.