Q472
Let \[x_1 ( t ) = \ array*20c 6& for 0 < t < 4 \\ 0& otherwise array . and x_2 ( t ) = u ( t - 2 )\] and y(t) = x1(t) * x2(t), then the value of y(4) is
Let {x_1}\left( t \right) = \left\{ {\begin{array}{*{20}{c}}
6&{{\text{for }}0 < t < 4} \\
0&{{\text{otherwise}}}
\end{array}} \right.{\text{and }}{x_2}\left( t \right) = u\left( {t - 2} \right) and y(t) = x1(t) * x2(t), then the value of y(4) is
A.
4
B.
8
C.
12
AnswerD.
24
Answer: Option C
Solution
Answer: Option C
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