The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. The toroid has 800 turns of large-diameter wire, each of which carries a current of 17.0 kA.
(a) Find the magnitude of the magnetic field inside the toroid along the inner radius.
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(b) Find the magnitude of the magnetic field inside the toroid along the outer radius.
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