Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
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 [...]
Three charges +q, -q and +2q are placed at the vertices of a right angled triangle ( isosceles triangle ) as shown. The net electrostatic energy of the configuration is
18
Sep
Three charges +q, -q and +2q are placed at the vertices of a right angled triangle ( isosceles triangle ) as shown. The net electrostatic energy of the configuration is -q and +2q are placed at the vertices of a right angled triangle ( isosceles triangle ) as shown. The net electrostatic energy of the [...]
Four charges are rigidly fixed along the y – axis as shown. A positive charge approaches the system along the x- axis with initial speed just enough to cross the origin. Then its total energy at the origin is
18
Sep
Four charges are rigidly fixed along the y – axis as shown. A positive charge approaches the system along the x- axis with initial speed just enough to cross the origin. Then its total energy at the origin is A very large sphere having charge Q uniformly distributed on the surface is compressed uniformly till [...]
A point charge Q is placed at the centre of a spherical cavity of radius b carved inside a solid conducting sphere of radius a. Then total energy of the system is
18
Sep
A point charge Q is placed at the centre of a spherical cavity of radius b carved inside a solid conducting sphere of radius a. Then total energy of the system is A point charge Q is placed at the centre of a spherical cavity of radius b carved inside a solid conducting sphere of [...]
In the figure shown the electric potential energy of the system is ( q is at the centre of the conducting neutral spherical shell of inner radius a and outer radius b )
18
Sep
In the figure shown the electric potential energy of the system is ( q is at the centre of the conducting neutral spherical shell of inner radius a and outer radius b ) In the figure shown the electric potential energy of the system is ( q is at the centre of the conducting neutral [...]
A very large sphere having charge Q uniformly distributed on the surface is compressed uniformly till its radius reduces to R. The work done by the electric forces in this process is
18
Sep
A very large sphere having charge Q uniformly distributed on the surface is compressed uniformly till its radius reduces to R. The work done by the electric forces in this process is A very large sphere having charge Q uniformly distributed on the surface is compressed uniformly till its radius reduces to R. The work [...]
A charged particle of charge Q is held fixed and another charged particle of mass m and charge q (of the same sign) is released from a distance r. The impulse of the force exerted by the external agent on the fixed charge by the time distance between Q and q becomes 2r is:
18
Sep
A charged particle of charge Q is held fixed and another charged particle of mass m and charge q (of the same sign) is released from a distance r. The impulse of the force exerted by the external agent on the fixed charge by the time distance between Q and q becomes 2r is: There [...]
Two charges q1 and q 2 are placed 30 cm apart, as shown in the figure. A third charge q 3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is 4πϵ 0 / q 3 k, where k is
18
Sep
Two charges q1 and q 2 are placed 30 cm apart, as shown in the figure. A third charge q 3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is 4πϵ 0 / q 3 k, [...]
If identical charges -q are placed at each corner of a cube of side b, then electric potential energy of charge +q which is placed at centre of the cube will be
18
Sep
If identical charges -q are placed at each corner of a cube of side b, then electric potential energy of charge +q which is placed at centre of the cube will be If identical charges -q are placed at each corner of a cube of side b then electric potential energy of charge +q which [...]
A positively charged particle is released from rest in a uniform electric field. The electric potential energy of the charge
18
Sep
A positively charged particle is released from rest in a uniform electric field. The electric potential energy of the charge A positively charged particle is released from rest in a uniform electric field. The electric potential energy of the charge September 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,