minaaa135
minaaa135 minaaa135
  • 31-10-2018
  • Mathematics
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Solve for e: (E/e)=(R+r)/r)

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gmany
gmany gmany
  • 05-11-2018

[tex]\dfrac{E}{e}=\dfrac{R+r}{r}\Rightarrow\dfrac{e}{E}=\dfrac{r}{R+r}\qquad|\text{multiply both sides by}\ E\neq0\\\\\boxed{e=\dfrac{rE}{R+r}}[/tex]

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