In the circuit shown, which of the following statement(s) is/are correct ?

Options

A. When S is open, charge on `C_(1)` is `36 muC`
B. When S is open, charge on `C_(2)` is `36 muC`
C. When S is closed, the charges on `C_(1)` and `C_(2)` do not change
D. When S is closed, charges on both `C_(1) and C_(2)` mwill change