Why Is the d'Arsonval Galvanometer Mechanism Used in PMMC Instruments?

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#1 21670631 15 Dec 2013 09:56

John Steave John Steave

Anonymous

Post #1
21670631 15 Dec 2013 09:56

"The Permanent magnet moving coil instrument is the most acrute type for dc measurement.The working principle of these instruments is the same as that of the d'Arsonval type of galvanometers, the difference being that a direct reading instrument is provided with a pointer and scale.but I want to know why d'Arsonval galvanometer is used PMMC.
Thanks!!!!!
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#2 21670632 30 Dec 2013 03:00

Frank Bushnell Frank Bushnell

Anonymous

Post #2
21670632 30 Dec 2013 03:00

Wikipedia: PMMC
Methedrone (para-methoxymethcathinone, 4-methoxymethcathinone, bk-PMMA, PMMC, methoxyphedrine)
is a stimulant and entactogen drug of the phenethylamine, amphetamine, and cathinone chemical classes.

The flood of abbreviations and acronyms in the present age is confusing some of us oldies !

The d’Arsonval galvanometer is a PMMC. Wikipedia: Galvanometer
#3 21670633 01 Jan 2014 13:12

Jonathan Ayling Jonathan Ayling

Anonymous

Post #3
21670633 01 Jan 2014 13:12

PMMC is probably permanent magnet moving coil but Im still not sure of the question?
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Why Is the d'Arsonval Galvanometer Mechanism Used in PMMC Instruments?

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