Electrostatics

Related Questions

• An $\alpha $ -particle is accelerated through a potential difference of 200V. The increase in its kinetic energy is

  ---

• The intensity of the electric field required to keep a water drop of radius ${10^{ - 5}}cm$ just suspended in air when charged with one electron is approximately $(g = 10\,newton/kg,\,e = 1.6 \times {10^{ - 19}}coulomb)$

  ---

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

  ---

• When a positive q charge is taken from lower potential to a higher potential point, then its potential energy will

  ---

• Three charges $Q,( + q)$ and $( + q)$ are placed at the vertices of an equilateral triangle of side l as shown in the figure. If the net electrostatic energy of the system is zero, then Q is equal to

  ---