Question

Three long, straight, parallel wires, all carrying 30 A, are positioned as shown in the accompanying figure. What is the magnitude of the magnetic field in T) at the point P? 30 A - -32 cm 32 cm 30 A 32 cm | 30 A

Answer 1

Magnetic ficed due to I, W B = Ho II . 2A EPA) 2 te minunat Par In Bhop Iik 32in AP = 18.47 m. OA - 16 wszo 1os30 .. AP= 18.47X10-2 m. By ploty 21 (4P) 48x107 x 30 21 X 18.47x10-? - 60 x10- 18.47 BY = 3.25 x10 ST using right nouund u clockwise thumborule, 'Bi at B similarly Bo= to Iz 3.25 810T 20 BP Scanned with Byamsanneauto aceae witanti clock wise at P

ОР: Siм 30° - on: 16 sin 30° Ap Op = 8 un Ти ДСОР ср = conso° D = 10,30 СР 14 iP =CD 2 30 S30° ср = 18:42 см, чт xo-7 х 30 8. - № 3 2 x 18:47 xio- 2 л (р В, 3. 25 Xio ->т B₂ is clockwise at p. .. Net nagueric field i в – в, + 3,4B, . since Bits are clockwise but B2 is anti- ملااسلسل }= 5,+ 2 - , Scanned with B= 3.25x10 s I. CamScanner B cs