Question: Spring controlled moving iron instruments exhibits a square law response resulting in a non-linear scale. The shape of the scale can be made almost linear by :
Answer:
MCQ: Spring controlled moving iron instruments exhibits a square law response resulting in a non-linear scale. The shape of the scale can be made almost linear by :
Correct Answer:A. Keeping rate of change of inductance L with deflection ,1/Φ(dl/dΦ), as constant