12 mu C and 6 mu C charges are given to two c | vedclass

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(A) Let the charges on the two plates be $Q_1 = 12 \mu C$ and $Q_2 = 6 \mu C$.When two large conducting plates are placed parallel to each other,the c

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$9, 3, -3, 9$

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(A) Let the charges on the two plates be $Q_1 = 12 \mu C$ and $Q_2 = 6 \mu C$.When two large conducting plates are placed parallel to each other,the charge on the outer surfaces is equal to $\frac{Q_1 + Q_2}{2}$ and the charge on the inner surfaces is equal to $\frac{Q_1 - Q_2}{2}$ and $\frac{Q_2 - Q_1}{2}$ respectively.For surface $A$ (outer surface of first plate): $q_A = \frac{Q_1 + Q_2}{2} = \frac{12 + 6}{2} = \frac{18}{2} = 9 \mu C$.For surface $B$ (inner surface of first plate): $q_B = \frac{Q_1 - Q_2}{2} = \frac{12 - 6}{2} = \frac{6}{2} = 3 \mu C$.For surface $C$ (inner surface of second plate): $q_C = \frac{Q_2 - Q_1}{2} = \frac{6 - 12}{2} = \frac{-6}{2} = -3 \mu C$.For surface $D$ (outer surface of second plate): $q_D = \frac{Q_1 + Q_2}{2} = \frac{12 + 6}{2} = \frac{18}{2} = 9 \mu C$.Thus,the charge distribution on surfaces $A, B, C$ and $D$ is $9 \mu C, 3 \mu C, -3 \mu C$ and $9 \mu C$ respectively.

$12 \mu C$ and $6 \mu C$ charges are given to two conducting plates having the same cross-sectional area and placed face to face close to each other as shown in the figure. The resulting charge distribution in $\mu C$ on surfaces $A, B, C$ and $D$ are respectively,

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