Question

The main magnet in an MRI machine is a superconducting solenoid 1.3 m long and 45 cm in radius. During normal operation, the current through the windings is 108 A and the magnetic field strength is 1.4 T. Round your answers to the nearest whole number. (a) How many turns does the solenoid have? Your answer: turns (b) How much energy is stored in the magnetic field during normal operation? Your answer: (c) How much energy is stored if the current is 54 A? Your answer:

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Answer #1

つ I. 3 二 13410 3

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