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Unknown voltage is __________

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in Electrical Measurements by (148k points)
Unknown voltage is __________

(a) converted to current

(b) boosted

(c) filtered

(d) measured using a voltmeter

I had been asked this question during an online exam.

My question is taken from Potentiometric Integrating Type DVM topic in section Electronic Instruments of Electrical Measurements

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The correct option is (c) filtered

For explanation: In a potentiometric integrated type DVM, the unknown voltage is filtered. It is also attenuated to a suitable magnitude. This forms the input for the comparator. A chopper is usually used as an error detector.

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