List of top Physics Questions on electrostatic potential and capacitance asked in KEAM

In a uniform electric field E, the work done in rotating the electric dipole of dipole moment P from $-45^{\circ}$ to $45^{\circ}$ with respect to the field direction is
The INCORRECT formula representing the energy stored in a parallel plate capacitor in usual notation is

The type of processes represented by the curves X and Y are: 

The work done by a source in taking unit charge from lower to higher potential energy is called the source's:
The electromagnetic waves used in LASIK and cell phones are respectively:
A Combination of two charges +1 nC and -1 nC are separated by a distance of 1 μm. This Constituted electric dipole is placed in an electric field of 1000 V/m at an angle of 45 degree. The torque and the potential energy on the electric dipole are:
If the potential at A is greater than the potential at B, then the equivalent resistance of the circuit across AB is
If the potential at A is greater than the potential at B
Conservation of charge and conservation of energy are respectively the basis of
The effective capacitance between A and B in the given figure is
The effective capacitance between A and B in the given figure is
Identify the false statement
$N$ identical drops of mercury are charged simultaneously to $ 10 \,V $ . When combined to form one large drop, the potential is found to be $ 40\, V $ , the value of $ N $ is
In a parallel plate capacitor, if the intervening medium of permittivity $\varepsilon$ between the plates is replaced by another medium of permittivity $\frac{\varepsilon}{2} ,$ then its capacitance is
A 10 $\mu$F capacitor is charged to a potential difference of 1000 V. The terminals of the charged capacitor are disconnected from the power supply and connected to the terminals of an uncharged 6 $\mu$F capacitor. What is the final potential difference across each capacitor?
Six capacitors each of capacitance of $2 \mu F$ are connected as shown in the figure. The effective capacitance between A and B is
Two electric charge 12 $\mu$C and -6 $\mu$C are placed 20 cm apart in air. There will be a point P on the line joining these charges and outside the region between them, at which the electric potential is zero, The distance of P from -6 $\mu$C charge is
An uncharged parallel plate capacitor filled with a dielectric of dielectric constant $K$ is connected to an air filled identical parallel capacitor charged to potential $V_1$. If the common potential is $V_2$, the value of $K$ is