Name the material used for :- (i) Moving coil (ii) Permanent magnet in PMMC instrument.
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(i) Material used for Moving coil: Copper, Aluminum( some times) 

(ii) Permanent magnets are made of special alloys such as : 

 Aluminum-Nickel-Cobalt (Alnicos) 

 Strontium-Iron 

 Neodymium-Iron-Boron 

 Samarium-Cobalt.
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