Join 60,000+ competitive exam aspirants
The spring which is used for producing controlling torque in indicating instruments are made up of materials which is / are
Non - magnetic
Not subjected to much fatigue
Low specific resistance and low temperature resistance coefficient
All of these
All of these
Materials for Control Torque Springs in Instruments
Evaluate the material properties
The spring used in indicating instruments must not be magnetic to prevent interference, should resist fatigue for longevity, and must have specific electrical properties for accuracy.