Why charged particle attracts light particles ?
Give examples of non-conductors and conductors.
Five balls numbered $1$ to $5$ are suspended using separate threads. Pairs $(1, 2)$, $(2, 4)$ and $(4, 1)$ show electrostatic attraction, while pair $(2, 3)$ and $(4, 5)$ show repulsion. Therefore ball $1$ must be
What is Greek meaning of electrics ?
A body has $-\, 80$ $micro\, coulomb$ of charge. Number of additional electrons in it will be
Find change in mass of a body if it is given $+2C$ charge.