Physics Review Question Unit: electricity and magnetism Year: 1988 Question#: 24 Question: What is the charge of a proton? (1 ) 9.1 X 10-31 C (2 ) 1.7 X 10-27 C (3 ) 1.6 X 10-19 C (4 ) 6.3 X 1018 C What is this question really asking? Explanation by: Allison B. [ Return to question menu ] Answer 1 9.1 X 10-31 C INCORRECT this is the number for the MASS of an electron at rest. return to top Answer 2 1.7 X 10-27 C INCORRECT this is the number for the MASS of a proton at rest. return to top Answer 3 1.6 X 10-19 C CORRECT the charge of a proton equals the opposite of the charge of an electron, which is -1.6 X 10-19 C. return to top Answer 4 6.3 X 1018 C INCORRECT this is the number of elementary charges in a coulomb. return to top What's this question really asking? This question is asking you how many coulombs of charge are in one proton. return to top |
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