Electrical Measurement MCQs Part 10

Electrical Engineering MCQs on Measurements – Electrical Measurement MCQs Part 10

The problem of Electrostatic coupling in a transformer is acute at which of following

The problem of Electrostatic coupling in a transformer is acute at which of following

  1. High frequencies
  2. High load on the transformer
  3. Low frequencies
  4. Power frequencies

Correct answer: 1. High frequencies

The meter that is suitable for the measurement of 10 mV at 50 MHz

The meter that is suitable for the measurement of 10 mV at 50 MHz

  1. CRO
  2. Moving coil voltmeter
  3. Moving iron voltmeter
  4. VTVM

Correct answer: 1. CRO

The device that should be used for accurate measurement of low voltage DC

The device that should be used for accurate measurement of low voltage DC

  1. DC potentiometer
  2. Small range moving coil voltmeter
  3. Small range thermocouple voltmeter
  4. None of these

Correct answer: 1. DC potentiometer

The instrument used for measurement and control should preferably have

The instrument used for measurement and control should preferably have

  1. A highly damped response
  2. Dead zone and dead time
  3. Linear output and fast response
  4. Non-linear output

Correct answer: 3. Linear output and fast response

Electrostatic instruments are generally used for

Electrostatic instruments are generally used for

  1. High current measurements
  2. High voltage measurements
  3. Low current measurements
  4. Low voltage measurements

Correct answer: 2. High voltage measurements

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