Questions in Electrostatics

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	When a charge of 3 coulombs is placed in a uniform electric field, it experiences a force of 3000 Newton. Within this field, potential difference between two points separated by a distance of 1 cm is
	There are two equipotential surface as shown in figure. The distance between them is r. The charge of –q coulomb is taken from the surface A to B, the resultant work done will be
	When one electron is taken towards the other electron, then the electric potential energy of the system
	A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V. The potential at a distance of 2cm from the centre of the sphere
	The work done in carrying a charge of $5\mu \,C$ from a point A to a point B in an electric field is 10mJ. The potential difference $({V_B} - {V_A})$ is then
	Value of potential at a point due to a point charge is
	Electric potential of earth is taken to be zero because earth is a good
	There is 10 units of charge at the centre of a circle of radius 10m. The work done in moving 1 unit of charge around the circle once is
	Two parallel plates separated by a distance of $5mm$ are kept at a potential difference of $50\,V.$A particle of mass ${10^{ - 15}}kg$ and charge ${10^{ - 11}}C$ enters in it with a velocity ${10^7}m/s$. The acceleration of the particle will be
	Three point charges are placed at the corners of an equilateral triangle. Assuming only electrostatic forces are acting