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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

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Correct Answer - Option 2 : when the matter has more number of protons than electrons

The correct answer is option 2) i.e. when the matter has more number of protons than electrons

CONCEPT:

  • Electric charge is a fundamental property of matter that causes the matter to experience a force when kept in electric and magnetic fields.
    • There are two types of charges possessed by matter - negative charge and positive charge.
    • The matter that is neither positive nor negative is said to be neutral.
    • The electric charge of the matter comes from the charge carried by electrons and protons at the atomic level.
    • The SI unit of electric charge is coulomb (C).


EXPLANATION:

  • The measure of electric charge possessed by matter comes from the charge present in the electrons and protons of the atoms of matter.
  • An electron is a negatively charged particle and a proton is a positively charged particle.
  • Thus, electric charge is positive when a matter has more protons than electrons.

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