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This statement has become known as ohms law v i r

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Unformatted text preview: uctor. Ohm’s Law •  Experiments show that for many materials, including most metals, the resistance remains constant over a wide range of applied voltages or currents. •  This statement has become known as Ohm’s Law. –  ΔV = I R •  Ohm’s Law is an empirical rela:onship that is valid only for certain materials. –  Materials that obey Ohm’s Law are said to be ohmic. Ohm’s Law •  An ohmic device •  The resistance is...
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