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Which compares the output in a successive approximation type DVM?

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Which compares the output in a successive approximation type DVM?

(a) op amp

(b) diode

(c) comparator

(d) rectifier

This question was addressed to me in a national level competition.

The origin of the question is Successive Approximation Type DVM in portion Electronic Instruments of Electrical Measurements

1 Answer

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Best answer
Right option is (c) comparator

The best I can explain: A comparator is used to compare the output of the digital to analog converter in a successive approximation type DVM. As a result the comparator provides high or low signals.

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