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(Solved): 23. Two circular current-carrying loops of wire are shown in the drawing. The inner loop has a radi ...
23. Two circular current-carrying loops of wire are shown in the drawing. The inner loop has a radius of R0? and carries a current I0?, while the outer loop has a radius of 2R0? and carries a current of 4I0?. The currents are in opposite directions. If R0?=0.020m and I0?=10.0 A, determine the magnitude and direction of the net magnetic field at the center of the two loops. (a) 3.14×10?4T; into page (b) 3.14×10?4T; out of page (c) 9.42×10?4T; out of page (d) 6.28×10?4T; into page (e) zero