When measuring an unknown voltage with an analog VOM, you should first A. ground the circuit. B. set the switch to the lowest range and then move it to a higher range until you get an accurate reading. C. ground the meter. D. set the switch to the highest range and then move it to a range that gives the most accurate reading.

Question

Adriana Reilly

Computers & Technology

11 August, 16:25

When measuring an unknown voltage with an analog VOM, you should first A. ground the circuit. B. set the switch to the lowest range and then move it to a higher range until you get an accurate reading. C. ground the meter. D. set the switch to the highest range and then move it to a range that gives the most accurate reading.

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Answers (1)

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Marisol Davila · Answer 1

The correct answer option is D. set the switch to the highest range and then move it to a range that gives the most accurate reading.

Explanation:

When measuring an unknown voltage with an analog VOM, one should set the meter to the highest range and then move it to a range that gives the most accurate reading.

The reason being that the analog meters indicate the measurement of voltage by moving a needle across a physical card by printing numbers on it.

So in case the voltage is nearly 100 times the full range to which the meter is set, then its needle will try move to a position which will be 100 times the highest number on the meter.