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..
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..
The magnitude of electric force experienced by a charged particle in an electric field depends on
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 ..
two identical charged spheres suspended from a common point by two massless strings of lengths L, are initially at a distance d (d..
the capacitance (in F) of a spherical conductor of radius 1 m is
when a body is earth connected, electrons from the earth flow into the body. This means the body is
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 ..
A solid conducting sphere of radius a has a net positive charge 2Q. A conducting spherical shell of inner radius radius b and oute..
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..
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..
which of the following will represent coulumbs law
A solid sphere os radius R & given volume charge density is enclosed by a hollow sphere of Radius R2. With given conditions, the ..
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..
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..
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..
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..
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..
2 fixed charges A & B are separated by a distance of 6m. C is a mid point of line joining A & B. A charge Q is shot perpendicular ..
A soap bubble is given a negative charge, then its radius, then its radius
Two spheres having same radius and mass are suspended by two strings of equal length from the same point, in such a way what that ..
Consider a neutral condicting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then
A ring of radius r carries a charge Q uniformly distributed over its length. A charge q is placed at its centre will experience a ..
Two identical conducting balls A and B have positive charges q1 and q2 respectively. But q1 is not equal to q2. the balls are brou..
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