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Polar molecules are the molecules:
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Important Questions on Electrostatics
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Two charged spherical conductors of radius and are connected by a wire. Then the ratio of surface charge densities of the spheres is :
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A dipole is placed in an electric field as shown. In which direction will it move?
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A parallel plate capacitor has a uniform electric field in the space between the plates. If the distance between the plates is and the area of each plate is , the energy stored in the capacitor is: permittivity of free space)
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The equivalent capacitance of the combination shown in the figure is:
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Twenty seven drops of same size are charged at each. They combine to form a bigger drop. Calculate the potential of the bigger drop.
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The electric field at a point on the equatorial plane at a distance r from the centre of a dipole having dipole moment is given by ( separation of two charges forming the dipole, - permittivity of free space)
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The acceleration of an electron due to the mutual attraction between the electron and a proton when they are apart is,
(Take )
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The variation of electrostatic potential with radial distance from the centre of a positively charged metallic thin shell of radius is given by the graph
