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18.Why phosphor bronze is used for suspension in moving coil galvanometer ?

Answer»

Phosphor bronze is used for suspension in moving coil galvanometer because it has low torsional constant. Also it is non magnetic and does not oxidise easily.

the wire used for suspension of coil in moving coil galvanometer is made up of phosphor bronze because there constant value K is quite less.it is highly sensitive.and restoring torque is dependent on these phosphor bronze wire.



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