30 A 250 turns Cross-Sectional Area A= Sem Mean Path Length P-10 cm Fig. B3(a) (3 marks) (3 marks) (1) Determine the mag

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30 A 250 Turns Cross Sectional Area A Sem Mean Path Length P 10 Cm Fig B3 A 3 Marks 3 Marks 1 Determine The Mag 1 (38.16 KiB) Viewed 43 times

30 A 250 turns Cross-Sectional Area A= Sem Mean Path Length P-10 cm Fig. B3(a) (3 marks) (3 marks) (1) Determine the magnetomotive force (MMF) produced by the coil; (i) Calculate the average magnetic field strength (H) in the ring: (ii) If the relative magnetic permeability (1) of the ring material is 1500, find the average magnetic flux density (B) in the ring. Given Mo = 4 x 10-H/m. (iv) Determine the total flux () in the ring: (b) A circuit consists of one ideal rectifier diode and a transformer is shown in Fig B3(b). Determine: D1 25:1 (3 marks) (2 marks) Vri RL Vsic 18V.. AL TVR TX1 Fig. B3(b) (2 marks) (1) the peak voltage at R. Vr(p) (i) the average voltage at RL, Vrt(ave); and (2 marks)