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please make sure you have the right answer. A toroid that has a mean radius equal...

please make sure you have the right answer. A toroid that has a mean radius equal to 28.5 cm and circular loops with radii equal to 1.50 cm is wound with a superconducting wire. The wire has a length equal to 1000 m and carries a current of 360 A.

(a) What is the number of turns of the wire?
......

(b) What is the magnetic field strength and magnetic energy density at the mean radius?
......... T
....... MJ/m3

(c) Estimate the total energy stored in this toroid by assuming that the energy density is uniformly distributed in the region inside the toroid.
...... kJ

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(b 2 T Ua. rcat

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