Questions
Consider the situation shown in fig. The capacitor A has a charge q on it whereas B is uncharged. The charge appearing on the capacitor B a long time after the switch is closed is
detailed solution
Correct option is A
When switch 5 is pressed, +q charge induced on outer side of right plate of a flows to the left plate of B. It induces - q charge on inner side of right plate of B and + q charge on outer side of same plate, which flows to earth.∴ Chargeon B=+q−q=0.Talk to our academic expert!
Similar Questions
Two identical metal plates are given positive charges Q1 and Q2 (<Q1) respectively. If they are now brought close together to form a parallel plate capacitor with capacitance C, the potential difference between them is
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