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Obs: marimile vectoriale sunt notate cu caractere Bold (Bibl: Traian Cretu, ‘Fizica- Curs universitar’, Ed
Tehnica, Bucuresti (1996))
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Fig. 9.30
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Aici, legatura dintre inductia campului magnetic Bd
r
si intensitatea campului magnetic H d
r
este: H d Bd r r
0 µ = , unde 70 104 −
⋅= π µ H/m. este permeabilitatea magnetica a vidului.
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