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  1. R
  2. R
  4. R
    • R  =   1/G
    • R  =   ρ·l / A
    • R  =   l / σ·A
  1. G
  2. G
  4. G
    • G  =   1/R
    • G  =   A / ρ·l
    • G  =   σ·A / l
  1. l
  2. l
  4. l
    • l  =   R· A/ ρ
    • l  =   σ·R·A
  1. A
  2. A
  4. A
    • A  =   ρ·l / R
    • A  =   l / σ·R
  1. ρ
  2. ρ
  4. ρ
    • ρ  =   R·A / l
    • ρ  =   A / G·l
  1. σ
  2. σ
  4. σ
    • σ  =   l / R·A
    • σ  =   G·l / A
Electrical resistance: Intensity, voltage, power, work, time

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