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Electricity — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceElectricity1 Mark
MCQ
One coulomb charge is equivalent to the charge contained in:
  • A
    2.6 × 1019 electrons.
  • B
    6.2 × 1019 electrons.
  • C
    2.65 × 1018 electrons.
  • D
    6.25 × 1018 electrons.
✓

Answer

  1. 6.25 × 1018 electrons.

Explanation:

The coulomb is the SI unit of electric charge. It is the charge transported by a constant current of one ampere in one second. It is equivalent to the charge of approximately 6.25 × 1018 protons or electrons.

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