Question

part 1 of 4 BD BA BB 1. Р Four long, parallel conductors carry equal 3 A currents,oriented at the corners of a square with sides of length of 0.2 m. A cross- sectional view of the conductors is shown. The current direction is out of the page at points indicated by the dots and into the page at points indicated by the crosses. A D Вс, 3 AO 03A Вс 2. (Р BB BA BD BA 3 A С 3. Р 3 A BK 0.2 m Which diagram correctly denotes the direc- tions of the components of the magnetic field from each conductor at the point P? The per- meability of free space is 4 = x 10-?T:m/A. Вс, BB Вр ВА (Вс P BB

Answer 1

Net M. F Breto Be Cosus+B (os4S+ Bolos us+ Bolo fus) [t Ip3 Ip=3 Be Bo a=0.2 Ip= 3 B Ic= 3 с -cirice around wire-B For find the diretion of M. f. put your thumb in the direction of currentt and rotate around the wire. Then a circle is create. At this circle draw the tangent lines. The se direction of tangent line Show of the divrection of Magnetic field option - 4 9 e = 0.2m r - M.F. due to a long wire at and boint P Bay. I ra berbendicular distance foram bojnt P 4. I Mo I Qax are are option zar B = 4 I А TBB sinuso Besinys BABB - Be=BO Toc ABC Cos4S + BBCOS45+ Belofus+ Biofuso B2 BA BAsinuso Bosinys +-AA -Bot Bo + Bc) Sinus Breta 4 BA (OSYS 2 BA? I Bret Q|BA) BA obtion- obtion- (4 Bret w < IBNEA) &1 BA