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Electromagnetism & Electronics

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Ohm's Law Electromagnetism & Electronics V = A · Ω An empirical relation stating that the electric current flowing through an ohmic conductor is directly proportional to the applied voltage and inversely proportional to resistance. V = I R, J = σ E Operational Amplifier (Op-Amp) Electromagnetism & Electronics V (Volts) A high-gain DC-coupled electronic voltage amplifier with differential inputs and single-ended output. V_out = A_OL (V_+ - V_-)