B3. (a) Given the magnetic circuit below: 30 A. 250 turns Cross-Sectional Area A = 5cm Mean Path Length P= 10 cm Fig. B3
Posted: Mon May 02, 2022 8:50 pm
B3. (a) Given the magnetic circuit below: 30 A. 250 turns Cross-Sectional Area A = 5cm Mean Path Length P= 10 cm Fig. B3(a) (1) Determine the magnetomotive force (MMF) produced by the coil; (ii) Calculate the average magnetic field strength (H) in the ring; (iii) If the relative magnetic permeability (sl) of the ring material is 1500, find the average magnetic flux density (B) in the ring. Given uo=41 x 10-7H/m. (iv) Determine the total flux () in the ring; (3 marks) (3 marks) (3 marks) (2 marks)