Please help to solve these question. And I also have some most misunderstanding points below.
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(a) Examine the circuit in Figure Bla. Assume that t=0s when the switch is moved to position 1 (i.e., when the circuit is closed). Also, notice that the capacitor is fully charged and that VC=40V at t=0s. i) Find the mathematical expressions for the transient behaviour of Vc, ic, and VR, respectively, after the switch is moved to position 1. The equations must include the calculated time constant and the correct initial and final values for all three variables. ii) Plot vc, ic, and VR, respectively, as a function of the time constant r. Show (in the plots) [5%] the maximum and minimum values for each of these variables. R www 2 ΚΩ C ic Fig. Bla 4 με [5%] + Vc = 40 V, t = Os
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