Advanced Problems on Indicating Instruments MCQ

Test your knowledge with important Advanced Problems on Indicating Instruments MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Advanced Problems on Indicating Instruments MCQs at Bissoy

• The standardization of AC potentiometer is done by ____________
  ক

  Using a DC standard source and d’ Arsonval galvanometer

  খ

  Using AC standard sources and transfer instruments

  গ

  Using a standard AC voltage source

  ঘ

  Using a DC standard source and transfer instruments
• A 10 mA PMMC ammeter reads 4 mA in a circuit. Its bottom control spring snaps suddenly. The meter will now show __________
  ক

  10 mA

  খ

  8 mA

  গ

  2 mA

  ঘ

  Zero
• Moving Iron Instrument can be used as ____________
  ক

  An ammeter for measuring DC as well as AC

  খ

  For measuring DC current and voltages only

  গ

  An ammeter and a voltmeter for measuring DC as well as AC

  ঘ

  For measuring AC current and voltages only
• The scale of a dynamometer type instrument marked in terms of RMS value would be__________
  ক

  Uniform throughout

  খ

  Non-uniform and crowded near the full scale

  গ

  Non-uniform and crowded at the beginning

  ঘ

  Non-uniform and crowded around mid-scale
• The full-scale deflection current of a meter is 4 mA and its internal resistance is 400Ω. This meter is to have full deflection when 400 V is measured. What is the value of the series resistor to be used?
  ক

  99.90 kΩ

  খ

  100 kΩ

  গ

  99.60 kΩ

  ঘ

  100 Ω
• A moving coil of a meter has 250 turns and a length and depth of 40 mm and 30 mm respectively. It is positioned in a uniform radial flux density of 450 mT. The coil carries a current of 160 mA. The torque on the coil is?
  ক

  0.0216 N-m

  খ

  0.0456 N-m

  গ

  0.1448 N-m

  ঘ

  1 N-m