The charge acquired by an ebonite rod rubbed with a piece of flannel is negative.

If an ebonite rod is rubbed with fur it

What happens when an ebonite rod is rubbed with wool ?

When an ebonite rod is rubbed with fur, the charge acquired by the fur is.

Piecces of iron or steel that acquired magnetic properties when it is rubbed with a magnet are called .......... .

When an ebonite rod is rubbed with fur, the fur transfers electrons to the ebonite rod. Why?

When a comb rubbed with dry hair attracts pieces of paper. This is because the

Find the electric field at a point P on the perpendicular bisector of a uniformly charged rod. The lengthof the rod is L, the charge on it is Q and the distance of P from the centre of the rod is a.

The velocity acquired by a charged particle of mass m and charge Q accelerated from rest by a potential of V is

Figures (a) and (b) show the field lines of a positive and negative point charge respectively. (a). Gives the sign of the potential difference V_(P)-V_(Q) : V_(B)-V_(A) (b) Given the sign of the potential energy difference of a small negative charge between the points Q and P, A and b (c) Give the sign of the work done by the field in moving a small positive charge from Q to P. (d) Give the sign of the work done by external agencyin moving a small negative charge from B to A. (e) Does the kinetic energy of a small negative charge increase or decrease in going from B to A?