| Directions: Two capacitors of capacity 6\[\mu F\]and 3\[\mu F\]are charged to 100 V and 50 V separately and connected as shown. Now all the three switches \[{{S}_{1}},{{S}_{2}}\]and\[{{S}_{3}}\]are closed. |
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A) plate 1 and plate 4 separately
B) plate 2 and plate 3 separately
C) plates 1 and 4 jointly
D) plates 2 and 3 jointly
Correct Answer: D
Solution :
Plates 2 and 3 are joined together but they are neither connected to any of the terminal of the battery nor to any other source of charge. So, they jointly from an isolated system.
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