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- A 93.0 A current circulates around a 2.30-mm-diameter superconducting ring. Y Part A What is the ring's magnetic dipole moment? Express your answer in amperes times meter squared. ▸ View Available Hint(s) JAM Submit Part B 195] ΑΣΦΑ R What is the on-axis magnetic field strength 5.90 cm from the ring? Express your answer with the appropriate units. View Available Hint(s) Valua ? Unite A-mA conduction electron is confined to a metal wire of length (1.46x10^1) cm. By treating the conduction electron as a particle confined to a one-dimensional box of the same length, find the energy spacing between the ground state and the first excited state. Give your answer in eV. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 AnswerI need solution question 7