Capacitance

In the given circuit diagram, $E=5V,r=1\Omega\,,R_{2}=4\Omega\,,R_{1}=R_{3}=1\Omega\,$ and $C=3\mu\,F$ Then, what will be the numerical value of charge on each plates of the capacitor.

The equivalent capacitance of the combination shown in the figure is:

The capacitance of a parallel plate capacitor with air as medium is $6\mu\,\text{F}$. With the introduction of a dielectric medium, the capacitance becomes $30\mu\,\text{F}$. The permittivity of the medium is:…

The figure shows a capacitor of capacitance $C$connected to a battery via a switch, having a total charge $Q$on it, in steady-state. Whenthe switch $S$is turned from position $A$to position $B$,the energy dissipated in…

For changing the capacitance of a given paralle plate capacitor, a dielectric material of dielectric constant $K$ is used, which has the same area as the plates of the capacitor. The thickness of the dielectric slab is…

A parallel plate capacitor has $1\mu\,F$ capacitance. One of its two plates is given $+2\mu\,C$ charge and the other plate, $+4\mu\,C$ charge. The potential difference developed across the capacitor is:

The charge on capacitor of capacitance $15\mu\,F$ in the figure given below is

In the given circuit, the charge on $4\mu\,F$ capacitor will be:

A capacitor of capacitance $C=1\mu\,F$ is suddenly connected to a battery of $100V$through a resistance $R=100\Omega\,.$ The time taken for the capacitor to be charged to get $50V$ is: (Take$\ln\,2=0.69$)

Three capacitors each of $4\mu\,F$ are to be connected in such a way that the effective capacitance is $6\mu\,F$. This can be done by connecting them

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 $1\mu\,F$ is :

In the circuit shown, find $C$ if the effective capacitance of the whole circuit is to be $0.5\mu\,F.$ All values in the circuit are in $\mu\,F.$