You would like to store 9.9 J of energy in the magnetic field of a solenoid. The
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You would like to store 9.9 J of energy in the magnetic field of a solenoid. The solenoid has 580 circular turns of diameter 7.2 cm distributed uniformly along its 28-cm length.
(a) How much current is needed?
(b) What is the magnitude of the magnetic field inside the solenoid?
(c) What is the energy density (energy/ volume) inside the solenoid?
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