1.

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.

A. 0 A
B. 2 A
C. -2e-6 A
D. 3 + e-6 A
Answer» D. 3 + e-6 A


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