Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- To move a unit positive charge from one point to another point on an equipotential surface
- The energy gained by an electron when it is displaced from one point to another point whose potential is higher by one volt is
- The product of positive charge and distance between the two charges is
- The torque acting on electric dipole of moment p in uniform electric field E is given by
- When an electric dipole is placed in a uniform electric field, it experiences
- An electric dipole consist of two opposite charges each of magnitude 1 , separated by a distance of 2 cm. The dipole is placed in...
- The electric potential at a distance of 10 m from a point charge of 25 , is
- The component of electric intensity parallel to the surface of a charged conductor is
- Dielectric constant of a medium other than air is equal to :
- The dielectric constant k for an insulator can be:
- The maximum value of dielectric constant for conductor (metals) is :
- Electric potential is
- Electric potential of earth is taken to be zero because earth is good
- An uncharged conductor A is brought near a charged conductor B :
- In bringing an electron towards another electron electrostatic P. E. of the system:
- An equipotential surface is that surface on which each and every point has:
- A conductor having a charge density of 120 C/m^2 is surrounded by a medium of dielectric constant 4. The electric intensity at a...
- Two metallic spheres of radii 1 cm and 2 cm are given charges of 10^ -2 C and 5 10^ -2 C respectively. If they are connected by a...
- The direction of mechanical force per unit area for positively or negatively charged conductor is normally outwards because
- The mechanical force acting on a unit area of charged conductor is
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