The total charge q(t), in the coulombs, that enters the terminal of an element is:
\(q(t) = \left\{ {\begin{array}{*{20}{c}} {0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,t < 0}\\ {2t\,\,\,\,\,\,\,\,\,\,\,\,0 \le t \le 2}\\ {3 + {e^{ - 2(t - 2)}}\,\,t > 2} \end{array}} \right.\)
Determine the current at t = 5 s.
1
0 A
2
2 A
3
-2e-6 A
4
3 + e-6 A