Let at any instant point charge is at x distance from centre. Net charge on surface of conductor at this instant

Let at any instant point charge is at x distance from centre Q. Net charge on surface of conductor at this instant

If a charge q is moving towards the centre of an earthed conducting sphere of radius b with uniform velocity v. Distance of two points A and B from centre of sphere are 3a and 2a. Conducting sphere is earthed with an ammeter and resistance in series (as shown). b À B Α) Let at any instant point charge is at x distance from centre Q. Net charge on surface of conductor at this instant

Net charge in a current-carrying conductor is

A point charge q is kept at e distance x from the centre of a neutral metallic cube.

Across the surface of a charged conductor

A point charge +q is held at a distance R from the centre of an uncharged spherical conductor of radius a(a lt R) . Calculate the potential of the conductor in the presence of q.

In an L-C oscillation maximum charge on capacitor can be Q_0 . If at any instant electrical energy is the 3/4 of the magnetic energy then the charge on capacitor at that instant is

An uncharged conductor of arbitrary (non-spherical)shape, has a spherical cavity with a point charge q kept at its centre. The induced surface charge densities at outer surface of conductor and inner surface of cavity in electrostatic condition are respectively