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.
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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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