anneBp7Wavannii anneBp7Wavannii

12-12-2016
Physics

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A current of 8.0 A flows through a resistor when a potential difference of 20.0 V is applied to the resistor. What is the resistance of the resistor?

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mathssydney mathssydney

12-12-2016

I=U/R (current = potential/resistance)
8=20/r
r=20/8
r=2.5

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