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Effect of high dc on Wheatstone bridge.

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Effect of high dc on Wheatstone bridge.

(a) no effect

(b) not susceptible

(c) burns the circuit

(d) increases the temperature

This question was posed to me in semester exam.

This interesting question is from Limitations of Wheatstone Bridge in division Measurement of Resistance of Electrical Measurements

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Correct option is (b) not susceptible

Explanation: A Wheatstone bridge is not susceptible to the flow of high dc current. A Wheatstone bridge in simplest form is used for the measurement of resistance with values in the medium resistance range.

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