Hey dear,
The solution tou your physical mathematical problem is -
The relation between B and H is given by
B=μ
0
(H+I)
db=μ
dH+μ
dl
H⋅dB=μ
H⋅dH+μ
H⋅dl
Also H⋅dH=0
Area of B-H loop =μ
×areaofl−Hloop
A
2
=μ
1
⇒
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