Electrostatics

Related Questions

• 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

  ---

• Two charged spheres separated at a distance d exert a force \[F\]on each other. If they are immersed in a liquid of dielectric constant 2, then what is the force (if all conditions are same)

  ---

• An isolated solid metallic sphere is given \[ + Q\] charge. The charge will be distributed on the sphere

  ---

• A cube of side $b$ has a charge $q$ at each of its vertices. The electric field due to this charge distribution at the centre of this cube will be

  ---

• Three charges each of magnitude q are placed at the corners of an equilateral triangle, the electrostatic force on the charge placed at the center is (each side of triangle is L)

  ---