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Qm=BA
Qm=MNIA/L Qm=3.14*4*10-7*400*4*25*10-4/0.1 Qm=5.024*10-5web emf=-N dQm/dt=-L dI/dt L = N dQm /dt L = N(Qm2- QM1)*(I2-I1) L = N (-2Qm)*(-2I) L = 400* 2 *5.024 *10-5 *2 *4 L = .321 H emf =-N dQm /dt emf = -N (-2Qm)/t emf = 400 *2*5.024 *10-5 /0.1 emf =.104 v كثافه الفيض المغناطيسى . |
العلامات المرجعية |
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