addilenerose addilenerose

09-12-2018
Physics

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What is the resistance equivalence of two resistors that are twenty ohms each.

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Altherra Altherra

09-12-2018

If they are in series: 20+20 = 40 ohms

If they are in parallel:
[tex] \frac{1}{r} = \frac{1}{20} + \frac{1}{20} \\ \frac{1}{r} = \frac{2}{20} \\ r = 10[/tex]

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