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Attempted solution a. for magnetic field B at point a, magnetic field, B=U*I/[2*pie*r], where U=4*pie*10^-7, r is the radius, I=current so, magnetic field at point a is; B= [(4*3.14*10^-7)*10]/[(2*3.14*0)] therefore B=0 T b. direction of the mag. field is to the right. c...

a. What is the magnitude of the magnetic field at point a in the figure? b. What is the direction of the magnetic field at point a in the figure? c. What is the magnitude of the magnetic field at point b in the figure? d. What is the direction of the magnetic field at point b in...