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

The force exerted on the length element dl at point P in the circular conductive ring in the figure,   Please choose one: a.It is tangent to the ring on the note P. b.It's inward throughout the OP. C.It is outward throughout the OP. D.It is in the direction of the magnetic field.

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.