Advertisements
Advertisements
प्रश्न
We know that electric field is discontinuous across the surface of a charged conductor. Is electric potential also discontinuous there?
Advertisements
उत्तर
No
Electric field is discontinuous across the surface of a charged conductor. However, the electric potential is continuous.
संबंधित प्रश्न
Three point charges, + Q + 2Q and – 3Q are placed at the vertices of an equilateral triangle ABC of side l. If these charges are displaced to the mid-point A1, B1 and C1, respectively, find the amount of the work done in shifting the charges to the new locations.

A small test charge is released at rest at a point in an electrostatic field configuration. Will it travel along the field line passing through that point?
What is the work done by the field of a nucleus in a complete circular orbit of the electron? What if the orbit is elliptical?
Three point charges +q each are kept at the vertices of an equilateral triangle of side 'l'. Determine the magnitude and sign of the charge to be kept at its centroid so that the charges at the vertices remain in equilibrium.
The electrostatic potential energy of two-point charges, 1 µC each, placed 1 meter apart in the air is:
If stretch in a spring of force constant k is tripled then the ratio of elastic potential energy in the two cases will be:
A work of 100 joule is performed in carrying a charge of 5 coulomb form infinity to a particular. point in an' electrostatic field. The potential of this point is:-
Potential energy of two equal negative point charges 2µc each held lm apart in air is:-
In bringing one electron towards another electrons, the electrostatic potential energy of the system will.
In a region of constant potential ______.
- the electric field is uniform
- the electric field is zero
- there can be no charge inside the region
- the electric field shall necessarily change if a charge is placed outside the region
Three-point charges Q, q and -q are kept at the vertices of an equilateral triangle of side L as shown in the figure. What is

- the electrostatic potential energy of the arrangement? and
- the potential at point D?
