Question

The charge flowing across the circuit on closing the key $K$ is:

• A. $CV$
• B. $\frac{C}{2}V$
• C. $2CV$
• D. zero

Answer 1

The correct option is B $\frac{C}{2}V$

When $K$ key is closed, capacitor(2) gets short circuited. So, charge flowing through the circuit is $q=CV$.