The total charge on the system of capacitance $C _{1}=1\,\mu F , C _{2}=2\,\mu F , C _{3}=4\,\mu F$ and $C _{4}=3\,\mu F$ connected in parallel is $......\mu C$ (Assume a battery of $20\,V$ is connected to the combination)
JEE MAIN 2022, Medium
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Total charge $= q _{1}+ q _{2}+ q _{2}+ q _{4}$
$=1 \times 20+2 \times 20+4 \times 20+3 \times 20=200\,\mu C$
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