Question

The hysleresis loss per cycle per unit volume for soft ron is 10'joule. The density of iron is 7.5 gm/cm and ts specific heat is 100 cal/kg "C If a specimen of soft ron is subjected to an alternating magnetic field of frequency 50 Hz, then rise per minute in its temperature

Answer 1

What should be the operating magnetic field for ... If the radius of it's dees is 60cm what is the kinetic energy ( in MeV) of ...