☰ Electronic and Electrical Measurements and Instruments (Electrical Engineering) - MCQs

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Q13.

In eddy current damping systems, the disc employed should be of

  • A. conducting and magnetic material
  • B. conducting but non magnetic material
  • C. magnetic but non conducting material
  • D. non conducting and non magnetic material
    ✍ Discuss    
Q14.

the principle of working of a D'Arsonval g Galvanometer is based upon

  • A. heating effect of current
  • B. induction effect of current
  • C. magnetic effect of current
  • D. electrostatic effect of current
    ✍ Discuss    
Q15.

The ______ is integrating type instrument

  • A. moving iron ammeter
  • B. moving coil voltmeter
  • C. dynamometer wattmeter
  • D. induction type energy meter
    ✍ Discuss    
Q16.

Which one of the following passive components has the most precious and accurate standard?

  • A. resistance
  • B. inductance
  • C. capacitance
  • D. conductance
    ✍ Discuss    
Q17.

Standard cell

  • A. will have precious and accurate constant voltage when current drawn from it is few microamperes only
  • B. will have precise and accurate constant voltage when few milliampere are drawn from it
  • C. will continue to have constant voltage irrespective of loading conditions
  • D. low resistivity and high temperature coefficient
    ✍ Discuss    
Q18.

Sensitivity of a voltmeter is given as

  • A. ohm / volt
  • B. reciprocal of full scale deflection current
  • C. both a and b
  • D. none of these
    ✍ Discuss    
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