Video Description Numerical 1 on PMMC instrument for GATE 2024 is part of Crash Course English for Electrical Engineering preparation The notes and questions for Numerical 1 on PMMC instrument have been prepared according to the GATE exam syllabus Information about Numerical 1 on PMMC instrument covers all important topics for GATE 2024 Exam Find important definitions questions notes
NPTEL Electrical Engineering NOCElectrical Measurement and
Permanent Magnet Moving Coil Instrument PMMC Construction Working
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Permanent Magnet Moving Coil PMMC Instruments The coil C has a number of turns of thin insulated wires wound on a rectangular aluminium former FThe frame is carried on a spindle S mounted in jewel bearings J 1 J 2 A pointer PR is attached to the spindle so that it moves over a calibrated scaleThe whole of the moving system is made as light in weight as possible to keep the friction at
Working Principle of PMMC Instrument Generally the working of PMMC instrument is similar to a motor ie how the rotor of the motor experiences a torque in a stator magnetic field Here the rotor refers to moving coil and the stator field refers to the field produced by permanent magnets The schematic of PMMC is shown in the following figure
In this video you will see Construction of PMMC Instrument Working principle of Permanent magnet moving coil PMMC stands for Permanent magnet moving coil i
The steady state deflection is proportional to current and the scale is therefore uniformly divided PMMC instrument is unsuitable for AC measurements unless the current is rectified Applications of PMMC Instruments The PMMC system can be converted into an instrument to measure the AC as well as DC quantities like current voltage and
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Dive into the world of electrical measurements with a focus on Permanent Magnetic Moving Coil PMMC instruments This video unravels the working principles
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Intro Video WEEK 1 Lecture 01 PMMC Instruments Main Lecture 02 Electrodynamic Instrument Main Lecture 03 Demonstration of PMMC and Electrodynamic Instruments Additional Practical Demonstration Lecture 04 Features of PMMC and Electrodynamic Instruments Main Lecture 05 Moving Iron Instruments Main
Understand EXACTLY how a Permanent Magnet Moving Coil PMMC works We define PMMC animate the PMMC instrument and explain the formulas behind how it works
PMMC Tutorial on Vimeo
Key learnings PMMC Meter Definition A PMMC meter also known as a DArsonval meter or galvanometer is defined as a device that measures the current through a coil by observing the coils angular deflection in a uniform magnetic field Working Principle A PMMC meter uses Faradays Laws of electromagnetic induction where a currentcarrying conductor in a magnetic field experiences a