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    Question

    The charge of an electron is

    approximately:
    A +1.6times10−19 C+1.6 \\times 10^{-19} \, C+1.6times10−19C Correct Answer Incorrect Answer
    B −1.6times10−19 C-1.6 \\times 10^{-19} \, C−1.6times10−19C Correct Answer Incorrect Answer
    C +1.6times10−18 C+1.6 \\times 10^{-18} \, C+1.6times10−18C Correct Answer Incorrect Answer
    D −1.6times10−18 C-1.6 \\times 10^{-18} \, C−1.6times10−18C Correct Answer Incorrect Answer

    Solution

    An electron has a negative charge of −1.6times10−19 C-1.6 \\times 10^{-19} \, C−1.6times10−19C, a fundamental constant in physics.

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