✅ Φ ≈ 0.251 mWb .
$$ H \cdot l = N \cdot I $$ $$ H = \fracN \cdot Il $$ circuitos magneticos ejercicios resueltos
MMF = 300 × 3 = 900 A·t . Φ_total = 900 / (2.3205×10^5) ≈ 3.88×10^-3 Wb (3.88 mWb). ✅ Φ ≈ 0
[ \mathcalR = \fracl\mu \cdot A = \frac0.4(2.513 \times 10^-3) \cdot 0.001 = \frac0.42.513 \times 10^-6 \approx 159,200 , \textAv/Wb ] circuitos magneticos ejercicios resueltos