Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Let 'W' joule be the work done to move an electric charge 'q' coulomb from a place A, where potential is -5 volt to another place...
- The plates of a parallel plate capacitor are separated by a distance 'd' with air as the medium between them. A dielectric slab...
- A parallel plate air capacitor has capacity 'C' farad, potential 'V' volt and energy 'E' joule. When the gap between the plates...
- Two electric dipoles of moment P and 8P are placed in opposite directions on a line at a distance of 24 cm. The electric field...
- A slab of material of dielectric constant K has the same area as the plates of a parallel plate capacitor but has a thickness...
- A parallel plate capacitor of capacitance 'C' is connected to a battery and charged to a potential 'V'. Another capacitor of...
- 'n' small spherical drops of the same size which are charged to 'V' volt each coalesce to form a single big drop. The potential...
- A parallel plate air capacitor has capacitance Cp. It is equally filled with parallel layers of materials of dielectric constants...
- Three concentric charged metallic spherical sheets A, B and C have radii a, b, c potentials V_A, V_B, V_C and charge densities +...
- Three point charges +Q, +2Q and q are placed at the vertices of an equilateral triangle. The value of charge q in terms of Q, so...
- A conducting sphere of radius 'R' is given a charge 'Q' uniformly. The electric field and the electric potential at the centre of...
- 'n' small spherical drops of same size which are charged to 'V' volt each coalesce to form a single big drop. The potential of...
- A charge 'Q' is placed at each corner of a cube of side 'r'. The potential at the centre of the cube is ( _0 = permittivity of...
- If charge +q is taken from one point to another over an equipotential surface, then
- A parallel plate air capacitor having area of each plate 'A' and the distance between the plates 'd' has uniform electric field E...
- Four electric charges + q, + q , -q and -q are placed in order at the corners of a square of side '2r'. The electric potential at...
- If the charge on the capacitor is increased by 3 C, the energy stored in it increases by 21%. The original charge on the...
- A parallel plate capacitor has plate area 50 cm^2 and plate separation 3 mm. The space between the plates is filled with a...
- An electric dipole having each charge of magnitude 2 is placed in an electric field of intensity 8 10^ +4 N/C . If the maximum...
- Three charges each of magnitude 3 , are placed on the vertices of an equilateral triangle of side 6 cm. The net potential energy...
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