Question

Two condensers, one of capacity $C$ and the other of capacity $\frac C2$, are connected to a $V$-volt battery, as shown.The work done in charging fully both the condensers is:

• A. $CV^2$
• B. $\frac 14CV^2$
• C. $\frac 34CV^2$
• D. $\frac 12CV^2$

Answer 1

Answer: (C)

$\frac 34CV^2$

Answer 2

The correct option is (C): $\frac 34CV^2$.