engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Physics Electric Charges and Coulomb's Law Electric Charge
The electric charge on a matter is positive-
1
when the matter has equal number of protons and electrons
2
when the matter has more number of protons than electrons
3
when the matter has more number of electrons than protons
4
when the matter has more number of neutrons than protons