The Coulomb's Force Between a Proton and an Electron Is

question 130

Multiple Choice

The Coulomb's force between a proton and an electron is 2.27 × 10³⁹ times greater than the gravitational force. If the two forces were equal, what should the size of the elementary charge be?

• A) 1.60 × 10^-19 C
• B) 3.36 × 10^-39 C
• C) 1.23 × 10^-77 C
• D) 2.27 × 10^-39 C
• E) 4.41 × 10^-40 C

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