4. A PMMC instrument with fùll-scale deflection current Imax1 mA and a coil resistance RM1 k£2is to be converted into a voltmeter. Determine the required multiplier resistance Rm if the voltmeteris to measure 100 V at full scale.

A PMMC instrument is connected in series with a coil resistance RM to be converted into voltmeter.…

Answered: 4. A PMMC instrument with fùll-scale…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 43PE: What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection)...

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4. A PMMC instrument with fùll-scale deflection current Imax1 mA and a coil resistance RM1 k£2 is to be converted into a voltmeter. Determine the required multiplier resistance Rm if the voltmeter is to measure 100 V at full scale.