Find change in mass of a body if it is given $+2C$ charge.
$30.33\times10^{-12}\, kg$
$11.37\times10^{-30}\, kg$
$11.37\times10^{-12}\, kg$
$30.33\times10^{-30}\, kg$
By which instrument, the charge on object can be detected ?
Write unit and value of fundamental electric charge.
How does electroscope work ?
Why the light particles like pith balls attract towards charged rod ?
The minimum charge on an object is