8B The interior of a plate of thickness 2a, extending on either side of the yz plane from x=-a to x=+a, includes a uniform current density J = Joz. Wanted: = In the case of electrostatics the expressions F = V(p · E) and F V(p⚫V)E are equivalent? Justify your answer. Additionally explain if something similar applies to the case of magnetic dipoles.

Figure 1 shows a ferromagnetic core with a relative permeability of 1850, the depth of the core is 10 cm. The air gap on the core is 0.2 cm with effective area 5 % larger than their physical size due to fringing effects. Given the number of turns N = 500 and current i = 2 x, where x is the last digit of your student ID (example: EEE1705590, then i = 20 A): (a) Find the total reluctance of the core and air gap. [CLO1-PL01:C2] (b) Find the flux density of the air gap. [CLO1-PLO1:C2] 13 cm 23 cm 9 cm 5.6 сm Air gap 31 cm N turns 7 cm Figure 1

As shown in the figure, two parallel conductors carry current in opposite directions. The current passing through one of the conductors is 10 A. If point A is the midpoint of the distance between the wires, point C is d/2 to the right of the wire carrying 10 A current. The distance d is given as 18 cm. If the current I is set so that the magnetic field at point C is zero, find the current I value and the magnetic field value at A.

Q2 (a): What is magnetic phase transformation? Discus and plot the phase transition from para to ferromagnetic. (b): Draw a magnetization curve of different feromagnetic materials and also discuss why different feromagnetic materials have different saturation levels.