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Electrical and electronics measurements miscellaneous

Electrical and Electronics Measurements

  1. A d.c voltmeter has a sensitivity of 1000Ω/ volt. When it measures half full scale in 100 V range, the current through the voltmeter will be ________mA
    1. 50
    2. 51
    3. 47.7
    4. 5.0
Correct Option: A

Sensitivity of d.c. voltmeter = 1000 Ω/volt For half scale in 100 V range, i.e. 50 V current through the voltmeter,

I =
50
= 50mA
1000



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