Answer a b and c please

If the current is 5.90 A , calculate the magnetic field in the solenoid IVO AEd An air-filled toroidal solenoid has 300 turns of wire, a mean radius of 12.5 cm , and a cross-sectional area of 4.20 cm B = T Submit Request Answer V Part B Calculate the self-inductance of the solenoid AEd H Submit Request Answer Part C Calculate the energy stored in the magnetic field. IVO AEd U =