Three equal charges Q are placed at the vertices of an equilateral triangle. What should be the value of a charge that when placed at the centroid reduces the interaction energy of the system to zero.
Sahay Sir > Question Answers > Three equal charges Q are placed at the vertices of an equilateral triangle. What should be the value of a charge that when placed at the centroid reduces the interaction energy of the system to zero.
Both the ring and the conducting sphere are given the same charge Q. Determine the potential of the sphere. Assume that the centre of the sphere lies on the axis of th ring. Is it necessary that the charge on the ring be uniformly distributed to answer the above question ?
18
Sep
Both the ring and the conducting sphere are given the same charge Q. Determine the potential of the sphere. Assume that the centre of the sphere lies on the axis of th ring. Is it necessary that the charge on the ring be uniformly distributed to answer the above question ? Three equal charges Q [...]
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
18
Sep
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
18
Sep
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 .
18
Sep
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 [...]
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
18
Sep
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 the electric potential at point C.
18
Sep
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 [...]
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 is true
18
Sep
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].
18
Sep
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 [...]
Three equal charges Q are placed at the vertices of an equilateral triangle. What should be the value of a charge that when placed at the centroid reduces the interaction energy of the system to zero.
18
Sep
Three equal charges Q are placed at the vertices of an equilateral triangle. What should be the value of a charge that when placed at the centroid reduces the interaction energy of the system to zero. Three equal charges Q are placed at the vertices of an equilateral triangle. What should be the value of [...]