(a) For the circuit in figure Q2.a, where the switch has been at position A for a long time, the switch moves from position A to position B at t = 0. (i) Find the initial value of 13 (t), 13(0), which is the current before the switch moves to position B. (ii) Find the 13 (t) for t > 0. (iii) Without any proof, state the final values of 1 (t) and 1(t). 24V 200 ww 10V 4 100 www www 1 100 A switch opens. Find the final value of V (t), V(co), for t > 0. 1002 (ii) (iii) Find the V(t) for t > 0. (iv) Without any proof, state the final values of 1 (t) and 1(t). Figure Q2.a (b) For the circuit in figure Q2.b, where the switch opens at t = 0 after being close for a long time. (i) Find the initial value of V(t), V(0), which is the voltage before the switch B 200 10mF HH + V(t) 12 www. 100 switch 00 1002 Figure Q2.b www (8 marks) 50 4H 200 (12 marks) 3A