Question

Four long conducting wires are parallel to each other. Their cross sections form the corners of a square of side 10.6 cm. The directions of the currents are as shown in the figure. ?1 = 1.89 ?, ?2 = 7.18 ?, ?3 = 8.77 ?, and ?4 = 4.79 A. What is the magnitude of the magnetic field at the center of the square?

Answer #1

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