Questions
Seven capacitors, a switch S and a source of e.m.f are connected as shown in the figure. Initially, S is open and all capacitors are uncharged. After S is closed and steady state is attained, the potential difference in volt across the plates of the capacitor 7 is :
detailed solution
Correct option is A
The equivalent network is: Let q = change on each capacitor,Then q21+q7+q28+q3+q7=59⇒ q=84μC∴ P.D across A=q7=847=12VTalk 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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