making use of the passive sign convention, determine the current flowing through a 220 nf capacitor for t ā‰„ 0 if its voltage vc(t) is given by (a) āˆ’3.35 v; (b) 16.2eāˆ’9t v; (c) 8 cos 0.01t mv; (d) 5 9 sin 0.08t v.