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Two point charges of 5 μC and -2 μC are kept at the opposite corners A and C of a square respectively. The potential difference between the other corners of the square will be-

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Important Questions on Electrostatics

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A cube of side l is placed in a uniform field E, where, E=Ei. The net electric flux through the cube is
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If a unit charge is rotated around a charge q in a circular path of radius r, then the work done will be-
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The ratio of magnitudes of the electric field due to an electric dipole on the axis and the equatorial line at equal distances will be
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If an electric dipole of moment p is placed perpendicular to the electric field E, then the potential energy of the dipole relative to its position parallel to the field will be-
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In the given circuit, C1=C2=C3=C initially. Now, a dielectric slab of dielectric constant K=32 is inserted in C2.

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The equivalent capacitance become

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The potential of each drop of the same size is V. If n such drops coalesce to form a big drop, then its potential will be-