hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    How many electrons are there in one Coloumb of charge?
    Question

    How many electrons are there in one Coloumb of charge?

    A.

    625 ×10310^3​ electrons

    B.

    0.625 ×10310^3​ electrons

    C.

    6.25 ×101810^{18}​ electrons

    D.

    62.5 ×101310^{13}​ electrons

    Correct option is C

    The correct answer is (c) 6.25 × 10¹⁸ electrons.
    · One coulomb of charge contains approximately 6.25 × 10¹⁸ electrons. This relationship comes from the fact that the charge of a single electron is approximately 1.6 × 10⁻¹⁹ coulombs. Therefore, the number of electrons in one coulomb of charge is given by the formula:
    Number of electrons=​=6.25×1018 electrons
    Information Booster:
    · The charge of a single electron is negative, but in calculations, we use the absolute value to determine the number of electrons.

    Free Tests

    Free
    Must Attempt

    CBT-1 Full Mock Test 1

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    Free
    Must Attempt

    RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    Free
    Must Attempt

    RRB NTPC UG Level PYP (Held on 7 Aug 2025 S1)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon100 Marks
    • timerIcon90 Mins
    languageIcon English
    test-prime-package

    Access ‘RRB JE CBT-I’ Mock Tests with

    • 60000+ Mocks and Previous Year Papers
    • Unlimited Re-Attempts
    • Personalised Report Card
    • 500% Refund on Final Selection
    • Largest Community
    students-icon
    368k+ students have already unlocked exclusive benefits with Test Prime!
    Our Plans
    Monthsup-arrow