The material of hairspring used in measuring instruments is made of which of the material of the following:?

Copper
Bronze
Alnico
None of these

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 2 : Bronze

Spring control method is the most common method of providing controlling torque in electrical instruments
A spiral hairspring made of some non-magnetic material like phosphor bronze is attached to the moving system of the instrument
Springs also serve the additional purpose of leading current to the moving system (i.e. operating coil)

4 views Answered 2022-09-04 04:29

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