Ikkita parallel tok o'tkazuvchi simlar tomonidan hosil qilingan magnit maydon - muammolar va yechimlar

1. Bir xil tok o'tkazuvchi ikkita uzun parallel simlar, 3-A. Agar masofa ikkala sim orasidagi masofa 40 sm bo'lsa, aniqlang magnit maydon P nuqtasida. μ_o = 4π x 10^-7 Wb A^-1 m^-1.

Ma'lum:

Elektr toki (I) = 3-A

1 va 2 simlar orasidagi masofa (r₁₂) = 40 sm = 0.4 m

1-sim va P (r) simlari orasidagi masofa_1P) = 30 sm = 0.3 m

2-sim va P (r) simlari orasidagi masofa_2P) = 40 – 30 = 10 sm = 0.1 m

µ_o = 4π x 10^-7 Wb.A^-1.m^-1

Qidirilgan: Magnetic field at point P

yechim:

Magnetic field produced by wire 1 (left) :

Magnetic field produced by wire 2 (right) :

Magnetic field at point P :

B_P = B₂ - B₁ = 6 x 10^-6 - 2 x 10^-6

B_P = 4 x 10^-6 Tesla

2. A long wire carrying current 2-A. Determine magnitude and direction of magnetic field at point P. (μ_o = 4π x 10^-7 Wb A^-1 m^-1)

Ma'lum:

Elektr toki (I) = 2 A

Distance between wire and point P (r_P) = 4 sm = 0.04 m

μ_o = 4π x 10^-7 Wb. A^-1 m^-1

Qidirilgan: Magnitude and direction of magnetic induction at point P

yechim: