Electrostatics

Related Questions

• The magnitude of electric field intensity $E$is such that, an electron placed in it would experience an electrical force equal to its weight is given by

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• What is the magnitude of a point charge due to which the electric field $30\,cm$ away has the magnitude $2\,newton/coulomb$ $[1/4\pi {\varepsilon _0} = 9 \times {10^9}N{m^2}/{C^2}]$

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• Four charges are placed on corners of a square as shown in figure having side of $5\,cm$. If Q is one microcoulomb, then electric field intensity at centre will be

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• Figure shows three points A, B and C in a region of uniform electric field $\overrightarrow E $. The line AB is perpendicular and BC is parallel to the field lines. Then which of the following holds good. Where ${V_A},{V_B}$ and ${V_C}$ represent the electric potential at points A, B and C respectively

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• Electric charges $q,\,q,\, - 2q$ are placed at the corners of an equilateral triangle $ABC$ of side $l$. The magnitude of electric dipole moment of the system is

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