Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

A thin spherical conducting shell of radius R has a charge q. Another charge Q is placed at the centre of the shell. The electrostatic potential at a point P a distance R2 from the centre of the shell is Three equal charges Q are placed at the vertices of an equilateral triangle. What should [...]

A solid sphere of radius ‘R’ has a cavity of radius R2. The solid part has a uniform charge density ‘ρ’ and cavity has no charge. Find the electric potential at point ‘A’. Also find the electric field (only magnitude) at point ‘C’ inside the cavity Three equal charges Q are placed at the vertices [...]

There are three concentric conducting spherical shells. All of them are charged. The innermost sphere is connected by a conducting wire to the outmost sphere. prove that the final charge on the innermost sphere is independent of initial charge of outermost sphere . Three equal charges Q are placed at the vertices of an equilateral [...]

Find the electric potential and strength at the centre of a hemispherical shell of radius R charged uniformly with the surface density sigma. Find the electric potential and strength at the centre of a hemispherical shell of radius R charged uniformly with the surface density sigma. September 18, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

A point charge Q is situated (outside ) at a distance r from the centre of an uncharged conducting solid sphere of radius R. The potential due to induced charges ( on the conductor ) at a point B inside the conductor whose distance from the point charge is d is Three equal charges Q [...]

In the figure shown a conducting sphere of inner radius a and outer radius b is given a charge Q. A point charge q is placed in the cavity of the sphere at distance x away from the centre. Find the electric field intensity and electric potentials at point P at distance r>b. Also find [...]

Small identical balls with equal charges are fixed at the vertices of a regular polygon of N sides, each of length d. At a certain instant, one of the ball is released. After long time interval, the adjacent ball to the previous one is released. The difference in kinetic energies of the two released balls [...]

A positive point charge +Q is fixed in space. A negative point charge -q of mass revolves around fixed charge in elliptical orbit. The fixed charge +Q is at one focus of the ellipse. The only force acting on negative charge is the electrostatic force due to positive charge. Then which of the following statement [...]

A negative charge Q is distributed uniformly in volume of a sphere is radius R and a point charge particle (may be negative or positive) is present on the surface of this sphere then variation of escape velocity (vs) of charge ‘q’ as a function of ‘q’ will be [ neglect gravitational interaction]. Three equal [...]

You are moving a negative charge q<0 at a small constant speed away from a uniformly charged non-conducting spherical shell on which resides a negative charge Q<0. The electrostatic, field of Q is E. Let U be the total energy of the system, Wa the work done by the force Fa you exert on q,WE [...]