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

question 10

Multiple Choice

The Coulomb's force between a proton and an electron is 2.27 $\times$ 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 \(\times\) 10^-19 C
• B)3.36 \(\times\) 10^-39 C
• C)1.23 \(\times\) 10^-77 C
• D)2.27 \(\times\) 10^-39 C
• E)4.41 \(\times\) 10^-40 C

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