machapman3843 machapman3843 07-06-2023 Physics Answered A long solenoid has a circular cross-section of radius r = 8.10 cm, a length l = 0.540 m, and n = 2.00 x 104 turns/m. The solenoid is carrying a current of magnitude i = 4.04 x 10-3 A. How much energy is stored in the magnetic field of the solenoid?