Select the correct alternative 

  • A

    The charge gained by the uncharged body from a charged body due to conduction is  equal to half of the total charge initially present

  • B

    The magnitude of charge increases with the increase in velocity of charge

  • C

    Charge can exist without matter although matter can not exist without charge

  • D

    Between two non-magnetic substances repulsion is the true test of electrification (electrification means body has net charge)

Similar Questions

A charge $q$ is placed at the centre of the line joining two equal charges $Q$. The system of the three charges will be in equilibrium, if $q$ is equal to

  • [IIT 1987]

What is the force (in $N$) between two small charged spheres having charges of $2 \times 10^{-7} \;C$ and $3 \times 10^{-7} \;C$ placed $30\; cm$ apart in air?

Two identical metallic spheres $A$ and $B$ when placed at certain distance in air repel each other with a force of $F$. Another identical uncharged sphere $C$ is first placed in contact with $A$ and then in contact with $B$ and finally placed at midpoint between spheres $A$ and $B$. The force experienced by sphere $C$ will be.

  • [JEE MAIN 2022]

Force between two identical spheres charged with same charge is $F$. If $75\%$ charge of one sphere is transfered to the other sphere then the new force will be

Two identical conducting spheres having unequal positive charges $q_1$ and $q_2$ separated by distance $r$. If they are made to touch each other and then separated again to the same distance, the electrostatic force between them in this case will be :-