Question

Asked Sep 23, 2019

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The magnetic coils of a tokamak fusion reactor are in the

shape of a toroid having an inner radius of 0.900 m and an outer radius

of 1.60 m. The toroid has 800 turns of large-diameter wire, each of which

carries a current of 18.0 kA. Find the magnitude of the magnetic field

inside the toroid along (a) the inner radius and (b) the outer radius.

Step 1

Ampere’s circuital law can be used to find the magnitude of the magnetic field. The law is given by

Step 2

(a)Substitute the numerical values in equation (1) for the ...

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