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