A solid spherical conductor of Radius R has spherical cavity of Radius a(aâ€¹R) at its centre. The charge at the inner surface..
3 concentric metallic spherical shells of radii R, 2R, 3R are given charges Q1, Q2, Q3. with surface charge densities on outer sur..
an electric charge 10^-3 uC is placed at the origin (0.0). of
two equally charged, identical metal spheres A and B repel each other with a force F The spheres are kept fixed with a distance r ..
Two small Spheres of mass M1 and M2 are suspended by weightless insulating thread of lengths L1 and L2. The spheres carry charges ..
2 spheres having same radius and mass are suspended by two strings of equal length from the same point, in such a way that their s..
Two identical conducting spheres carrying different charges attract each other with a force F when placed in an air medium at a di..
Four metal conductors having different shapes 1. A sphere 2. Cylindrical 3. pear 4. Lightning conductor are mounted on insulating ..
A ball with charge -50 e is placed at the centre of a hollow spherical shell which has a net charge of -50e. what is the charge on..
Two charges are at a distance d apart. If a copper plate (Conducting medium) of thickness d/2 is placed between them, the effectiv..
Two electrons are separated by a distance of 1A. what is the coulomb force between them
A body has -80 micro coulomb of charge. Number of additional electrons in it will be
Identify the wrong statement in the following. Coulumbs law correctly describe the electric force that
One metallic sphere A is given positive charge whereas another identical metallic sphere B of exactly same mass as of A is given e..
Two point charges placed at a certain distance r in air exert a force F on each other. Then the distance r at which these charges ..
The magnitude of electric force experienced by a charged particle in an electric field depends on
when a body is earth connected, electrons from the earth flow into the body. This means the body is
two identical charged spheres suspended from a common point by two massless strings of lengths L, are initially at a distance d (d..
Two particle of equal mass m and charge q are placed at a distance of 16 cm. they do not experience any force. the value of q/m is
A comb run through ones dry hair, attracts small bits of paper. This is due to
Two charges of equal magnitudes and at a distance r exert a force F on each other. If the charges are halved and distance between ..
the capacitance (in F) of a spherical conductor of radius 1 m is
Equal charges q are placed at the four corners A, B, C, D of square of length a. The magnitude of the force on the charge at B wil..
A solid conducting sphere of radius a has a net positive charge 2Q. A conducting spherical shell of inner radius radius b and oute..
Two charged spherical conductors of radii R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the sph..
Five balls numbered 1 to 5 are suspended using separate thteads. pairs (1, 2), (2, 4) and (4, 1) show electrostatic attraction, wh..
Two positive ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ions, the n..
A solid sphere os radius R & given volume charge density is enclosed by a hollow sphere of Radius R2. With given conditions, the ..
which of the following will represent coulumbs law
Energy associated with a moving charge is due to a
2 pith balls carrying equal charges are suspended from a common point by strings of equal length. With given condition, the equili..
Two spherical conductors B and C having equal radii and carrying equal charges in them repel each other with a force F when kept a..
2 spheres carrying charges are seperated by a distance d, experiences a force of repulsion F. When a charge -3 uC is given to both..
Two copper balls, each weighting 10g are kept in air 10cm apart. If one electron from every 10 power 6 atoms is transferred from o..
Three charges are placed at the vertices of an equilateral triangle of side a as shown in the following figure. the force experien..
The top of the atmosphere is at about 400kV with respect to the surface of earth, corresponding to an electric field that decrease..
A charge Q is placed at each of the opposite corners of a square. A charge q is placed at each of the other 2 corners. With follow..
A point charge q is situated at a distance r on axis from one end of a thin conducting rod of length L having a charge Q uniformly..
A parallel plate capacitor is made of 2 circular plates seperated by a distance of 5 mm and with a dielectric between them. With g..
Two fixed charges A and B of 5muC each are seperated by a distance of 6m. C is the mid point of the line joining A and B. A charge..
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