Railways R.R.C. (Delhi) Solved Paper Held on 1st Shift 2-11-2014

  • question_answer
    Find the correct answer, which pair is incorrect?

    A) None is incorrect

    B) Protons - Positively charged

    C) Neutrons ? Neutral

    D) Electrons - Negatively charged

    Correct Answer: A

    Solution :

    The proton is a subatomic particle, symbol p or\[{{p}^{+}}\], with a positive electric charge. The electron is a subatomic particle, symbol \[{{e}^{-}}\] or \[{{\beta }^{-}}\] with a negative elementary electric charge. Unlike protons, which have a positive charge, or electrons, which have a negative charge, neutrons have zero charge.


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