Contribute & Test Your Skills
- Unit, Dimension & Measurement
- Motion In One Dimension
- Thermodynamics
- Work, Energy & Power
- Rotational Motion
- Gravitation
- Laws of Motion
- Properties of Solids & Liquids
- Electronic Devices
- Kinetic Theory of Gases
- Wave Motion
- Communication Systems
- Current Electricity & Heating Effect
- Magnetic Effects of Current & Magnetism
- Electromagnetic Induction & Alternating Currents
- Electromagnetic Waves
- Optics Photometry
- Transmission of Heat
- Electrostatics
- Atomic Structure
- Mechanical Properties of Fluids
- Thermal Properties of Matter
- Circular Motion
- Projectile Motion
- Friction
- Properties of Bulk Matter
- Surface Tension
- Simple Harmonic Motion
- Capacitor
- Alternating Current
- Electron, Photon & X-Ray
- Nuclear Physics
- Valve Electronics
- Optical Instrument
- Reflection of Light
- Refraction of Light
- Wave Optics
- Mathematics In Physics
Popular Questions
- A solid spherical conductor of Radius R has spherical cavity of Radius a(a‹R) 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..
- Two small Spheres of mass M1 and M2 are suspended by weightless insulating thread of lengths L1 and L2. The spheres carry charges ..
- 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 ..
- an electric charge 10^-3 uC is placed at the origin (0.0). of
- 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..
- A body has -80 micro coulomb of charge. Number of additional electrons in it will be
- 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
- Identify the wrong statement in the following. Coulumbs law correctly describe the electric force that
- The magnitude of electric force experienced by a charged particle in an electric field depends on
- One metallic sphere A is given positive charge whereas another identical metallic sphere B of exactly same mass as of A is given e..
- when a body is earth connected, electrons from the earth flow into the body. This means the body is
- 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 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 identical charged spheres suspended from a common point by two massless strings of lengths L, are initially at a distance d (d..
- 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 charges of equal magnitudes and at a distance r exert a force F on each other. If the charges are halved and distance between ..
- Five balls numbered 1 to 5 are suspended using separate thteads. pairs (1, 2), (2, 4) and (4, 1) show electrostatic attraction, wh..
- 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..
- 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 ..
- the capacitance (in F) of a spherical conductor of radius 1 m is
- 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..
- which of the following will represent coulumbs law
- 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..
- 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..
- 2 pith balls carrying equal charges are suspended from a common point by strings of equal length. With given condition, the equili..
- 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..
- 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..
- Energy associated with a moving charge is due to a
- The top of the atmosphere is at about 400kV with respect to the surface of earth, corresponding to an electric field that decrease..
- 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 ..
