First Ohm's law

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A conductor has an electric resistance of 12 Ω \Omega and the electric current that flows thought it has a value of 20 mA. What is the value of the potential difference between its ends?

2.4 × 1 0 2 2.4\times10^2 V 32 V 2.4 × 1 0 1 2.4\times10^{-1} V 2 V

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