3) Starting with the equation W = S (Ä. J) dv, derive the equation for energy in the mag- netic fields when magnetic matter is present W= Sall-space H · Bdv =5 Jal-space H?du. Compare with the equation in case of electric field when dielectrics are present.

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3) Starting with the equation W = f (Ā -J) dv, derive the equation for energy in the mag-
netic fields when magnetic matter is present W = Sall-apece Ĥ · Bdv = 4 Sal-
H²dv.
all-space
Compare with the equation in case of electric field when dielectrics are present.
Transcribed Image Text:3) Starting with the equation W = f (Ā -J) dv, derive the equation for energy in the mag- netic fields when magnetic matter is present W = Sall-apece Ĥ · Bdv = 4 Sal- H²dv. all-space Compare with the equation in case of electric field when dielectrics are present.
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