Electrostatics

Related Questions

• The potential at a point due to an electric dipole will be maximum and minimum when the angles between the axis of the dipole and the line joining the point to the dipole are respectively

  ---

• A hollow conducting sphere is placed in an electric field produced by a point charge placed at P as shown in figure. Let ${V_A},{V_B},{V_C}$ be the potentials at points $A,B$ and C respectively. Then

  ---

• The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance \[5 \times {10^{ - 11}}m,\] will be (Charge on electron = $1.6 \times 10^{–19} C$, mass of electron = $9.1 \times 10^{–31}$ kg, mass of proton = \[1.6 \times {10^{ - 27}}kg,\] \[\,G = 6.7 \times {10^{ - 11}}\,N{m^2}/k{g^2})\]

  ---

• When a glass rod is rubbed with silk, it

  ---

• A metallic sphere has a charge of $10\mu C$. A unit negative charge is brought from $A$ to $B$ both $100\,cm$ away from the sphere but A being east of it while $B$ being on west. The net work done is

  ---