183. The circuit consists at Cshaped cast steel and Ishaped cast iron with a 8.1cn Hide gap at the meeting point. Number of turns N = ice, and flux density in part I (cast iron) is 6.6T a) Draw the equivalent circuit of the magnetic circuit above b) Calculate the average length and cross-sectional area of each section (including the gap section) c) calculate the magnetic field strength and flux density of each part I n i) fnl 1 I\" Madonn- {rem I l'l'l_l 400 0:2 0:75 1:25 1:3 1000 0,4 1,15 1,4 1,45 6000 0,8 1,65 1,6 1,55