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15-08-2021
Mathematics

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Assume that I=E/(R+r) prove that 1/I=R/E+r/E ?

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rokettojanpu rokettojanpu

15-08-2021

Explanation:

If [tex]I=\frac E{R+r}[/tex] then taking the reciprocal gives

[tex]\frac1I=\frac1{E/(R+r)}=\frac{R+r}E=\frac RE+\frac rE[/tex]

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