Electrostatics

Related Questions

• The distance between a proton and electron both having a charge $1.6 \times {10^{ - 19}}coulomb$, of a hydrogen atom is ${10^{ - 10}}metre$. The value of intensity of electric field produced on electron due to proton will be

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• A particle $A$ has charge $+ q$ and a particle $B$ has charge $+ \,4q$ with each of them having the same mass $m$. When allowed to fall from rest through the same electric potential difference, the ratio of their speed $\frac{{{v_A}}}{{{v_B}}}$ will become

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• Two positive point charges of $12\mu C$ and $8\mu C$ are 10cm apart. The work done in bringing them 4 cm closer is

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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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• Two point charges $Q$ and $-3Q$ are placed at some distance apart. If the electric field at the location of $Q$ is $E$ then at the locality of $- 3Q$, it is

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