Formula Sheet U = CV E08.854 x 10-12 Ho=4TT 10-7 H/m T-domain S-domain T-domain 1 1S cos wt t 1 -~ S-domain S s + w e-at sin wt (s+a) + w -at 1 e e-at cos wt s+a s+a (s+a) + w df (t) sin wt SF(s) - f(0) s + w dt Question 3 a) Using a simple diagram demonstrate voltage-current characteristics of a diode. Clearly present three main working areas of diode on the diagram. [10 Marks] b) Find the inductance, L, in Henries of the inductor of the Figure 4B, if the core is made of wood with relative permeability of = 16. = 0.075 m Wood core d = 0.005 m 200 turns Figure 4B [6 Marks] c) Briefly explain the working principle of Anti-Lock Braking. Use a simple diagram to demonstrate most important components of the system.