If a body is charged by rubbing it. Its weight
always decreases slightly
always increases slightly
may increase slightly or may decrease slightly
remains precisely the same
Sure check for presence of electric charge is
Why the metal rods can’t be charged by holding them in hands ?
Two objects are rubbed against each other, the nature of electric force, when they are placed at some distance is
When ${10^{19}}$ electrons are removed from a neutral metal plate, the electric charge on it is
Why charged particle attracts light particles ?