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Using the circuit diagram above. Calculate the total char...

Using the circuit diagram above. Calculate the total charge in the circuit

Using the circuit diagram above. Calculate the total charge in the circuit

A.

80 $\mu C$

B.

35 $\mu C$

C.

20 $\mu C$

D.

16 $\mu C$

View answer & explanation

Correct answer is D

C - $C_1 + C_2 = 2 + 6 = \mu F$

$\frac{1}{C} = \frac{1}{C_1} + \frac{1}{C_1} + \frac{1}{C_2} = \frac{1}{8} + \frac{1}{2}$

C = $\frac{8}{5 \mu F}$

Q = CV

= $\frac{8}{5} \times 10 = 16\mu C$

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