When air is replaced by a dielectric medium of constant $k$, the maximum force of attraction between two charges separated by a distance

  • [AIPMT 1999]
  • A

    become ${k^{ - 1}}$ times

  • B

    Remains unchanged

  • C

    Increases $k$ times

  • D

    become ${k}$ times

Similar Questions

Two identically charged pith balls are suspended from the some point by two massless identical threads density of each ball is $\rho $. If system is immersed in a medium of density $\sigma $, balls remain undeflected, then the dielectric constant of medium is

Force between $A$ and $B$ is $F$. If $75\%$ charge of $A$ is transferred to $B$ then force between $A$ and $B$ is

A charge $Q$ is placed at each of the opposite corners of a square. A charge $q$ is placed at each of the other two corners. If the net electrical force on $Q$ is zero, then  $\frac{Q}{q}=$ ______

  • [AIEEE 2009]

The law, governing the force between electric charges is known as

A negatively charged particle $p$ is placed, initially at rest, in $a$ constant, uniform gravitational field and $a$ constant, uniform electric field as shown in the diagram. What qualitatively, is the shape of the trajectory of the electron?