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Potentiometer: Construction and Working

  • Post author:ElectricalWiki
  • Post published:8 Apr 2020
  • Post category:Electrical Measurement and Instrumentation

Potentiometer..when you hear the word ..what comes in your mind ..yes .. potential and meter ..means the meter that measures potential ..yes it is used to measure the potential as…

Continue ReadingPotentiometer: Construction and Working

Induction Wattmeter

  • Post author:ElectricalWiki
  • Post published:2 Apr 2020
  • Post category:Electrical Measurement and Instrumentation

Induction Wattmeter is used to measure power in AC Circuits. We all know Power = VI Cos(Theta) where V is the voltage , I is the Current and Theta is…

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Electrodynamic or Dynamometer Instruments

  • Post author:ElectricalWiki
  • Post published:2 Apr 2020
  • Post category:Electrical Measurement and Instrumentation

This instrument is similar to PMMC(Permanent Magnet Moving Coil) Instruments except in place of permannet magnets , there is a coil . Construction: There is a coil which is divided…

Continue ReadingElectrodynamic or Dynamometer Instruments

Permanent Magnet Moving Coil (PMMC) Instruments

  • Post author:ElectricalWiki
  • Post published:2 Apr 2020
  • Post category:Electrical Measurement and Instrumentation

Construction & Working : simply in brief , there is a coil which is free to move and is surrounded by powerfull magnets. Now we dicuss in detail .. There…

Continue ReadingPermanent Magnet Moving Coil (PMMC) Instruments

Moving Iron instruments

  • Post author:ElectricalWiki
  • Post published:2 Apr 2020
  • Post category:Electrical Measurement and Instrumentation

As the name suggests , there is iron piece in these instruments ..the movement of this iron piece gives the necessary reading. These instruments are of two types i.e. attraction…

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