Figure 29-72 shows an arrangement known as a Helmholtz coil. It consists of two circular
Chapter 29, Problem 56(choose chapter or problem)
Figure 29-72 shows an arrangement known as a Helmholtz coil. It consists of two circular coaxial coils, each of 200 turns and radius R 25.0 cm, separated by a distance s R.The two coils carry equal currents i 12.2 mA in the same direction. Find the magnitude of the net magnetic field at P, midway between the coils.
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