29 Oct A ring of mild steel stampings having a mean circumference of 400 mm and a cross-sectional area of 500 mm2 is wound w
A ring of mild steel stampings having a mean circumference of
400 mm and a cross-sectional area of 500 mm2 is wound with
200 turns. Calculate the inductance of the coil corresponding to a
reversal of a magnetizing current of:
(a) 2 A;
(b) 10 A.
