A body can be negatively charged by
Giving excess of electrons to it
Removing some electrons from it
Giving some protons to it
Removing some neutrons from it
How can you charge a metal sphere positively without touching it?
How can object be charged with contact ?
Give examples of non-conductors and conductors.
If $10^{9}$ electrons move out of a body to another body every second. how much time is required to get a total charge of $1 \,C$ on the other body?
What is static electrical induction ?