Question

A coil of 100 turns is wrapped upon an iron core. If the flux of the core is given by the equation Ø=0.05sin314t Weber. What is the self induced emf in the coil at t=0.02 second?​

Answer 1

Answer:

emf= rate of change of flux × number of turns =0.212×103×10−8×100=0.06V 

1 Maxwell = 10−8 weber