Four identical parallel conductors, carrying charges
Q,−2Q,3Q and
4Q are placed as shown in the figure. The plates carrying charges
Q and
4Q, are connected through a switch, as shown. The amount of charge flowing through the switch, after closing it is found to be
nQ. Find
n.
![1139050_cbec876473854d559bd824d4dbc651be.png](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/1139050_cbec876473854d559bd824d4dbc651be.png)