Page 1 PROBLEM 1. A steady current / flows throughout the circuit shown below, consisting of two straight, semi-infinite lengths of wire joined by a semicircular piece (radius a). The entire circuit lies in a plane. Choose an appropriate coordinate system and calculate the magnetic field B at the point P, which is at the center of the semicircle in the plane of the circuit. Be sure to indicate on the drawing your choice of coordinate a system. (Hint: Break the problem into pieces, find the contribution to the magnetic field from each piece and then add those together.]
Page 1 PROBLEM 1. A steady current / flows throughout the circuit shown below, consisting of two straight, semi-infinite lengths of wire joined by a semicircular piece (radius a). The entire circuit lies in a plane. Choose an appropriate coordinate system and calculate the magnetic field B at the point P, which is at the center of the semicircle in the plane of the circuit. Be sure to indicate on the drawing your choice of coordinate a system. (Hint: Break the problem into pieces, find the contribution to the magnetic field from each piece and then add those together.]
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