You would like to store 94j of energy in the magnetic field


You would like to store 9.4J of energy in the magnetic field of a solenoid. The solenoid has 630 circular turns of diameter 6.4cm distributed uniformly along its 25cm length.

Part A) How much current is needed?

Answer in: I = _______ A

Part B) What is the magnitude of the magnetic field inside the solenoid?

Answer in: B = _________ T

Part C) What is the energy density (energy/volume) inside the solenoid?

Answer in: uB = _________ kJ/m^3

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Physics: You would like to store 94j of energy in the magnetic field
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