The velocity v acquired by an electron starting from rest and moving through a potential difference V is shown by which of the following graphs ?
A charge of 100 C has a potential at a distance of 9mas:
A unit charge is moved along an equipotential surface having a potential of 4 volt. The work done is :
Earth's surface is considered to be
At a point A, there is an electric field of 500V / m and potential of 3000 V. The distance between the point charge and A is
There is 10 units of charge at the centre of a circle of radius 10 m. The work done in moving 1 unit of charge once around the circle is :
How much work is required to carry a 6μC charge from the negative to the positive terminal of a qV battery?
A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V. The potential at a distance of 2 cm from the centre of sphere is :
Using usual notations, electric potential at a point due to an electric dipole is given by:
