Popular Questions
- when 10 power 19 electrons are removed from a neutral metal plate through some process, the charge on it becomes
- 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 solid sphere of radius R1 and volume charge density p = po/r is enclosed by a hollow sphere of radius R2 with negative surface ..
- A solid spherical conductor of radius R has a spherical cavity of radius a (a < R) at its centre. A charge +Q is kept at the cente..
- The surface charge density (in C/m power 2) of the earth is about
- A parallel plate capacitor is made of two circular plates seperated by a distance of 5mm and with with a dielectric of dielectric ..
- A parallel plate capacitor is made of two circular plates seperated by a distance of 5mm and with a dielectric of dielectric const..
- One of the following is not a property of field lines
- Two charges, each equals to q, are kept at x=-a and x=a on the x- axis. A particle of mass m and charge q0=q/2 is placed at the or..
- Two pith balls carrying equal charges are suspended from a common point by strings of equal length, the equilibrium separation bet..
- The small spherical balls each carrying a charge Q=10muC (10 micro-coulomb) are suspended by two insulating threads of equal lengt..
- Four point charges -Q , -q, 2q and 2Q are placed, one at each corner of the square. The relation between Q and q for which the pot..
- 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 ..
- Consider a neutral condicting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then
- A conductor has been given a charge -3*10 power -7C by transferring electron. mass increase (in kg) of the conductor and the numbe..
- Two identical charges repel each other with a force equal to 10 mg wt when they are 0.6m apart in air.(g=10ms power -2). The value..
- The Value of electric permittivity of free space is
- Two small Spheres of mass M1 and M2 are suspended by weightless insulating thread of lengths L1 and L2. The spheres carry charges ..
- 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,..
- Number of electrons in one coulomb of charge will be
- 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..
- Two charged spherical conductors of radii R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the sph..
- One metallic sphere A is given positive charge whereas another identical metallic sphere B of exactly same mass as of A is given e..
- If 10 power 10 electrons are acquired by a body every second, the time required for the body to get a total charge of 1C will be
- 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..
- Two point charges +3muC and +8muC repel each other with a force of 40N. If a Charge of -5muC is added to each of them, then the fo..
- Two protons are distance of 1*10 power -10cm from each other. the forces acting on them are
- Electric charges of 1muC, -1muC and 2muC are placed in air at the corners A, B and C respectively of an equilateral traiangle ABC ..
- Charge an a-particle is
- Two small conducting spheres of equal radius have charges +10muC and -20muC respectively and placed at a distance R from each othe..
- The region between two concentric spheres of radii a and b respectively (see fig), has volume charge density p=A/r , where A is a ..
- 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
- 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 solid conducting sphere of radius a has a net positive charge 2Q. A conducting spherical shell of inner radius radius b and oute..
- Three charges each of magnitude q are placed at the corners of an equilateral triangle, the electrostatic force on the charge plac..
- Two charges placed in air repel each other by a force of 10 power -4N. when oil is introduced between the charges, the force becom..
- Three charges are placed at the vertices of an equilateral triangle of side a as shown in the following figure. the force experien..
- 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
- When a glass rod is rubbed with silk, it
