The present accepted value of the electrical charge on an electron is ________ × 10–19 C.
-
A.
1.602
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B.
1.6022
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C.
1.6
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D.
1.602176
Correct Answer:
D. 1.602176
Explanation:
The elementary charge, denoted as e, represents the magnitude of the electric charge carried by a single electron. According to the Committee on Data for Science and Technology (CODATA), the most precise and currently accepted value for this fundamental physical constant is approximately 1.602176634 x 10^-19 Coulombs. In many scientific calculations and educational contexts, this value is often rounded to 1.602 x 10^-19 C or 1.602176 x 10^-19 C for simplicity. Since option D provides the most detailed and accurate numerical representation among the choices given, it is considered the correct answer.
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