Electrostatic P...

A particle A has charge + q . & particle B has charge + 4q with each of them having the same mass m . When allowed to fall from rest throught the same electrical potential differce, the ratio of their speeds VA/VB willbecome

Two charges - 10 C and + 10 C are placed 10 cm apart . Potential at the centre of the line joining the two charges is

The electric potential V at any pt.x,y,z ( all in metres ) in space is given by V = 4x 2 volt , The electric field at the point ( 1m,0,2m ) in volt/metre is .

A work of 100 joule is performed in carrying a charge of - 5 coulomb from infinity to a particular point in an electrostatic field . The potential of this point is

At the surface of a charged conductor, electrostatic field must be

A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 volt . The potential at the centre of the sphere is

Which of the following is true about equipotential lines

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 the sphere is

An equipotential surface is a surface

Which of the following is a volt ?