Question
Thu July 26, 2012 By:
 

a long straight wire along the z-axis carries acurrent i in the negative z-direction . the magnetic vector field b at a point having coordinates(x,y) in the z=0 plane is???

Expert Reply
Tue July 31, 2012
at point(x,y) the magnetic field will be= B=? i/2 pi ?(x2+y2) in clock wise direction
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