Find the force on a straight conductor of Length 0.3m Carrging a current of 5A in the -az direction where the field is B = 3.5x10 ³ Cax-ay) T ?

Find the relative permeability p, of the typical ferromagnetic material whose B-H magnetization curve is shown in Table 1. a) H= 50 A.turns/m. 1.8 1.6 b) H = 100 A.turns/m. 1.4 1.2 1.0 c) H = 115 A.turns/m. 0.8 0.6 d) H =500 A.turns/m. 0.4 0.2 e) H = 1000 A.turns/m. 1000 10 20 30 40 50 100 200 300 500 2000 500 Magnetizing intensity H, A• turns/m Note: μο - 4πχ 10-7 Table 1 B-H datas for a typical piece of steel. В (Т) 0.25 0.72 0.8 1.4 1.51 H (A.turns/m.) 50 100 115 500 1000 Flux density B (T)

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35_ An infinitely long conductor is bent into an L shape as shown in Figure. If a direct current of 3 A flows in the conductor, the magnetic field intensity (H) at (0, - 2, 0)? a) 0.159az b) 0.1989 az c) 0.11934az d) 0.07956az