The light bulb A & B in the following circuits are identical. When the switch is closed

In the circuit shown above, when then switch S is closed,

If the four light bulbs in the following figure are identical which circuit gives out more light?

Find out current in the circuit and charge on capacitor which is initially uncharged in the following situations. (a) Just after the switch is closed (b) After a long time when switch was closed.

Find out current in the circuit and charge on capacitor which is initially uncharged in the following situations. (a) Just after the switch is closed. (b) After a long time when switch was closed.

Find out current in the circuit and charge on capacitor which is initially uncharged in the following situations. (a) Just after the switch is closed. (b) After a long time when switch was closed.

In which of the following circuits can the electrical bulb be operated using the switch in the circuit?