Symbol: I Unit:   Ampere Current moves through a circuit element “through a variable.” Current is the rate of flow of negatively-charged particles, called electrons, through a predetermined cross-sectional area in a conductor. Like water flow. Essentially, the flow of electrons in an electric circuit leads to the establishment of current. I(t) =    dq/dt q: relatively […]

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•           Symbol: V •           Unit: Volt Ø    Potential difference across two terminals in a circuit “across variable.” Ø    In order to move the charge from point A to point B, work needs to be done. Ø    Like potential energy at a waterfall. Ø    Let A be the    lower   potential/voltage terminal Ø    Let B be the    […]

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The flow of electric current through a conductor experiences a certain amount of resistance The resistance, expressed in ohms (, named after George ohm), kilo-ohms (k, 1000), or mega-ohms (M, 106) is a measure of how much a resistor resists the flow of electricity. The magnitude of resistance is dictated by the electric properties of […]

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