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You are working at a company that explores new ways of generating and storing energy in an effort to reduce the world's dependence on oil. Your supervisor explains a new
method of storing energy that has been proposed. A huge underground superconducting solenoid of inductance 55.0 H, 1.20 km in diameter, would be fabricated. Each winding
of the 150-turn solenoid would be made from Nb,Sn wire and would carry a maximum current of 15.0 kA.
(a) Your supervisor asks you to determine the total energy (in J) that could be stored in the coil.
(b) She is also concerned about the structural integrity of the coil and requests that you determine the compressive force (in N) acting between two adjacent windings of the
coil that are 3.88 m apart. (Enter the magnitude.)
N.

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