Electrostatics

Related Questions

• An electron experiences a force equal to its weight when placed in an electric field. The intensity of the field will be

  ---

• How much kinetic energy will be gained by an $\alpha - $ particle in going from a point at $70\,V$ to another point at $50\,V$

  ---

• The electric intensity due to a dipole of length 10 cm and having a charge of $500\mu C$, at a point on the axis at a distance 20 cm from one of the charges in air, is

  ---

• A charged ball B hangs from a silk thread S, which makes an angle $\theta $ with a large charged conducting sheet $P$, as shown in the figure. The surface charge density $\sigma $ of the sheet is proportional to

  ---

• The electric field due to a charge at a distance of 3 m from it is 500 N/coulomb. The magnitude of the charge is $\left[ {\frac{1}{{4\pi {\varepsilon _0}}} = 9 \times {{10}^9}\frac{{N - {m^2}}}{{coulom{b^2}}}} \right]$

  ---