Electrostatics

Related Questions

• A hollow insulated conducting sphere is given a positive charge of $10\,\mu \,C$. What will be the electric field at the centre of the sphere if its radius is 2 meters

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• Four identical charges $+ \,50\,\mu C$ each are placed, one at each corner of a square of side $2\,m$. How much external energy is required to bring another charge of $+ \,50\,\mu C$ from infinity to the centre of the square$\left( {{\rm{Given}}\frac{{\rm{1}}}{{{\rm{4}}\pi {\varepsilon _{\rm{0}}}}} = 9 \times {{10}^9}\frac{{N{m^2}}}{{{C^2}}}} \right)$

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• Two point charges \[ + 3\mu C\] and \[ + 8\mu C\] repel each other with a force of \[40N\]. If a charge of \[ - 5\mu C\]is added to each of them, then the force between them will become

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• Two point charges $+ 9e$and $+ e$are at 16 cm away from each other. Where should another charge q be placed between them so that the system remains in equilibrium

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• Electric field strength due to a point charge of $5\mu C$ at a distance of 80 cm from the charge is

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