B3. (a) Given the magnetic circuit below: 30 A. 250 turns Cross-Sectional Area A = 5cm Mean Path Length P= 10 cm Fig. B3

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B3. (a) Given the magnetic circuit below: 30 A. 250 turns Cross-Sectional Area A = 5cm Mean Path Length P= 10 cm Fig. B3

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B3 A Given The Magnetic Circuit Below 30 A 250 Turns Cross Sectional Area A 5cm Mean Path Length P 10 Cm Fig B3 1
B3 A Given The Magnetic Circuit Below 30 A 250 Turns Cross Sectional Area A 5cm Mean Path Length P 10 Cm Fig B3 1 (106.2 KiB) Viewed 27 times
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)
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