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What is the condition to achieve a high sensitivity in a Kelvin bridge?

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in Electrical Measurements by (148k points)
What is the condition to achieve a high sensitivity in a Kelvin bridge?

(a) low voltage

(b) high power

(c) medium resistance

(d) high current

I have been asked this question in an interview for internship.

The origin of the question is Kelvin Bridge in chapter Measurement of Resistance of Electrical Measurements

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Right answer is (d) high current

The best I can explain: The condition to achieve a high sensitivity in a Kelvin bridge is that the measuring current should be high enough so as to sensitize the null detector.

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