Explain it properly A toroid is filled with liquid oxygen that
has a susceptibility of 4 X 10-3. The toroid
has 2000 turns and carries a current of 15A.
Its mean radius is 20 cm, and the radius of
its cross section is 0.8 cm.What is the
percentage increase in B produced by the
liquid oxygen ?
(2) 0.4% (3) 2%
(4) 1.8 %