Question

please do all part a,b,c

In the image, three very close parallel wires each carrying a current. The magnitude of the current in the first wire 1 = 10 (A) and second wire 12 = 14 (A) and their directions are shown with black arrows in the image. The value of current I, and its direction are unknown. The magnetic field B due to all three wires at point P which is 4 (m) away from wires is 4x10? (T) with the direction of "coming out of the page” at point P. A) Using Amperes law, find the magnitude of the net enclosed current lencl B) Find the magnitude of the current 13 C) Show the direction of current 1, (in the image) 1,=? 4 (m) Coming out of page P 1, = 10 (A) 12 = 14 (A)

Answer 1

(A) using Amperes Circuital law, B.de = No I enclosed - 4 Xiot + 4 No I enclosed - I enclosed = 4x4th Xintot =) (1.273 A B) I enclosed = I, + Iz + Is 1.273 = 10-14 t Iz - Is £5.273A & I3 = 5.273 A (C) y possess I 2=14A 10 A

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