1R=1R1+1R2+...1R=1R1+1R2+...

R=ρ⋅lAR=ρ⋅lA

Answers

Answered by oobleck
first, learn how to type fractions. For resistances in parallel,
1/R = 1/R1 + 1/R2 + ...

and why do you write everything twice?

and why is there no question?

Bogus post in so many ways ...
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