In the figure is shown a system of four capacitors connected across...

In the figure is shown a system of four capacitors connected across a $10V$ battery. The charge that will flow from switch S when it is closed is:

Options

AZero
B $20\mu C$ from $a$ to $b$
C $5\mu C$ from $b$ to $a$
D $5\mu C$ from $a$ to $b$

Correct answer

C. $5\mu C$ from $b$ to $a$

Step-by-step solution

Finally when switch is closed,

In the figure is shown a system of four capacitors connected across a 10V battery. The charge that will flow from

${q}_{1} = 2 \times 5 = 10\mu C$

${q}_{2} = 3 \times 5 = 15\mu C$

The total charge on dotted region $= {q}_{2} - {q}_{1}$

$= 15 - 10 = 5\mu C$

Charge $5\mu C$ flows from $b$ to $a$

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