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full theory and mathematical derivatives behind induction type Instruments

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Electrical Engineering

full theory and mathematical derivatives behindinduction type Instruments

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InductionType Instrument Working Principle We use induction type instrument for AC measurement only Thisis because the induction phenomenon only occurs in AC An inductioninstrument has multiuse For example we use the instruments asammeters voltmeters wattmeters and energy metersInduction type instruments essentially have an electromagnet toproduce the required magnetic field AC in the electromagnetproduces changing flux between its poles Here we place onealuminium disc or aluminium drum in the magnetic field Hencethe changing flux links with the aluminium disc As a result theflux induces an eddy current on the disc This eddy currentinteracts with the flux which has induced it Consequently thereis a mechanical torque acting on the disc This    See Answer
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