Capacitance

A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system

The equivalent capacitance of the arrangement shown in figure is

The steady state current in| the circuit shown below is :

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

A parallel plate capacitor having cross-sectional area $A$ and separation $d$ has air in between the plates. Now an insulating slab of the same area but the thickness,$\frac{d}{2}$,is inserted between the plates as…

The equivalent capacitance of the system shown in the following circuit is:

Two thin dielectric slabs of dielectric constants $K_{1}$ and $K_{2}\left(K_{1}<K_{2}\right)$ are inserted between plates of a parallel plate capacitor, as shown in the figure. The variation of electric field ' $E$ '…

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:…

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$\ln\,2=0.69$)

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

A condenser of $2\mu\,F$ capacitance is charged steadily from $0$ to $5C$. Which of the following graph represents correctly the variation of potential difference$\left(V\right)$across its plates with respect to the…

A capacitor of capacitance $C$ and potential $V$ has energy $E.$ It is connected to another capacitor of capacitance $2C$ and potential $2V$. Then the loss of energy is $\frac{x}{3}E$, where $x$ is _______?