The electric potential at point `A` is `20 V` and at `B` is `-40 V`. Find the work done by an external and electrostatic force in moving an electron slowly from B to A.

The electric potential at point A is 20 V and at B is -40v . Work done by an external force in moving an electron slowly from B to A.

The electric potential at. Point A is 20 V and B is – 20 . The work done by an external force in moving electron slowly from B to A is

The electric potential at. Point A is 20 V and B is – 20 V. The work done by an external force in moving electron slowly from B to A is

The potential at a point A is – 500 V and that at another point B is + 500 V. What is the work done by external agent to take 2 units (S.I.) of negative charge from B to A.

The potential at a point A is -160 volt and the potential at a point B is + 240 volt. How much work is done by an external force to move a charge of -25 mu C from B to A?

The electrical potential at point in an electric field is 6 V. Find the work done in bringing 12 C of charge from infinity to that point.

A charge Q is placed at the origin. The electric potential due to this charge at a given point in space is v . The work done by an external force in bringing another charge q from infinity up to the point is

A charge Q is placed at the origin. The electric potential due to this charge at a given point in space is V . The work done by an external force in bringing another charge q from infinity up to the point is

The electric potential at a point A is 15V and that at B is 5V If a particle have +2C of charge moves from A to B, it will :