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In a potentiometric DVM ________

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In a potentiometric DVM ________

(a) voltage is compared

(b) current is compared

(c) resistance is compared

(d) power is compared

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This interesting question is from Potentiometric Integrating Type DVM topic in portion Electronic Instruments of Electrical Measurements

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Right choice is (a) voltage is compared

Explanation: Potentiometric integrating type DVM employs voltage comparison. The unknown voltage is compared with a reference. The reference value is set by a calibrated potentiometer.

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