A) 10 C
B) 20 C
C) 30 C
D) 40 C
Correct Answer: C
Solution :
\[i=\frac{dQ}{dt}\] Þ \[dQ=idt\] Þ \[Q=\int_{\,{{t}_{1}}}^{\,{{t}_{2}}}{i}\,dt=\int_{0}^{5}{(1.2t+3)\,}dt\] \[=\left[ \frac{1.2{{t}^{2}}}{2}+3t \right]_{0}^{5}=30C\]
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