20.2: Ohm’s Law - Resistance and Simple Circuits
https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/20%3A_Electric_Current_Resistance_and_Ohm's_Law/20.02%3A_Ohms_Law_-_Resistance_and_Simple_Circuits
WEBFeb 20, 2022 · Explain the origin of Ohm’s law. Calculate voltages, currents, or resistances with Ohm’s law. Explain what an ohmic material is. Describe a simple circuit. What drives current? We can think of various devices—such as batteries, generators, wall outlets, and so on—which are necessary to maintain a current.
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