Electrostatics

Related Questions

• 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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• There are two metallic spheres of same radii but one is solid and the other is hollow, then

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• Force of attraction between two point charges \[Q\] and – Q separated by \[d\,metre\] is \[{F_e}\]. When these charges are placed on two identical spheres of radius \[R = 0.3\,d\] whose centres are \[d\,metre\]apart, the force of attraction between them is

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• There is an electric field $E$ in X-direction. If the work done on moving a charge $0.2\,C$ through a distance of $2\,m$ along a line making an angle $60^\circ $ with the X-axis is 4.0, what is the value of $E$

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• \[ABC\] is a right angled triangle in which \[AB = 3\,cm\] and \[BC = 4\,cm\]. And $\angle ABC = \pi/2$. The three charges \[ + 15,\; + 12\] and \[ - 20\,e.s.u.\] are placed respectively on \[A\], \[B\] and \[C\]. The force acting on \[B\] is

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