
Two capacitors and are connected in a circuit with a switch between them as shown in the figure. Initially, the switch is open and holds a charge . The switch is closed. At steady state, the charge on each capacitor will be


Important Questions on Capacitance


The figure shows a capacitor of capacitance connected to a battery via a switch, having a total charge on it, in steady-state. When the switch is turned from position to position , the energy dissipated in the circuit is


Figure shows charge versus voltage graph for series and parallel combination of two given capacitors. The capacitances are:



Three capacitances, each of 3 , are provided. These cannot be combined to provide the resultant capacitance of :

In the circuit shown, charge on the capacitor is :

In the circuit shown, find if the effective capacitance of the whole circuit is to be All values in the circuit are in






Figure shows a network of capacitors where the number indicates capacitances in micro Farad. The value of capacitance C if the equivalent capacitance between point A and B is to be is :

The equivalent capacitance between and is,

A parallel plate capacitor with plates of unit area and separation is filled with a liquid of dielectric constant , the level of liquid isinitially.
Suppose, the liquid level decreases at a constant speed , the time constant as a function of time is

The equivalent capacitance of the combination of the capacitors is


When a thick slab is introduced between all the plates, in order to maintain the same potential difference, the distance between the plates is increased by . Find the dielectric constant of the slab.




