Two charges are at a distance d apart. If a copper plate (Conducting medium) of thickness d/2 is placed between them, the effectiv..
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 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 electrons are separated by a distance of 1A. what is the coulomb force between them
Identify the wrong statement in the following. Coulumbs law correctly describe the electric force that
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 ..
two identical charged spheres suspended from a common point by two massless strings of lengths L, are initially at a distance d (d..
A body has -80 micro coulomb of charge. Number of additional electrons in it will be
The magnitude of electric force experienced by a charged particle in an electric field depends on
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
which of the following will represent coulumbs law
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..
A solid sphere os radius R & given volume charge density is enclosed by a hollow sphere of Radius R2. With given conditions, the ..
Five balls numbered 1 to 5 are suspended using separate thteads. pairs (1, 2), (2, 4) and (4, 1) show electrostatic attraction, wh..
when a body is earth connected, electrons from the earth flow into the body. This means the body is
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..
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..
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..
The top of the atmosphere is at about 400kV with respect to the surface of earth, corresponding to an electric field that decrease..
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..
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..
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..
Energy associated with a moving charge is due to a
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..
Three charges are placed at the vertices of an equilateral triangle of side a as shown in the following figure. the force experien..
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 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..
Two charged spherical conductors of radii R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the sph..
Consider a neutral condicting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then
The charge Q is projected into a uniform electric field E, work done when it moves a distance Y is
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..
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 ..
One of the following is not a property of field lines
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 ..
A charge Q is divided into two parts of q and Q-q. If the coulomb repulsion between them when they are seperated is to be maximum,..
Electric charges of 1muC, -1muC and 2muC are placed in air at the corners A, B and C respectively of an equilateral traiangle ABC ..
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