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Electrical and electronics measurements miscellaneous

Electrical and Electronics Measurements

  1. An LVDT is used to measure displacement. The output of the LVDT is connected to a voltmeter of range 0 to 5 V through an amplifier having a gain of 250. For a displacement of 0.5 mm, the output of the LVDT is 1/2 mV. The sensit ivit y of the instrument would be
    1. 0.1 V/ mm
    2. 0.5 V/ mm
    3. 1 V/ mm
    4. 5 V/ mm
Correct Option: C

Sensitivity of LVDT =
output voltage
displacement

=
1/x × 10-3
= 1V/mm
0.5



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