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Company LogoSummary Chapter 1fundamentals laws and basic : Ohms Law, nodes, branches, loops & Kirchoffs LawDefinition: passive and active elements , independent and dependent sources Definition: charge, current, voltage, power & energySI unit
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Company LogoQuantityUnitSymbolCharge, QCoulombCQ of e = - 1.602 10-19 C Current, IAmpereAVoltage, VVoltVPower, PWattWEnergy, WJouleJ
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Company LogoCircuit Element (CE)Active:-capable of generating electric energyExample : generators, voltage and current sources Relate to Independent source and Dependant source CEPassive:-incapable of generating electric energyExample : resistor
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Company Logo Electric Circuit variable ConceptBECDAOhms LawNodesLoopsBranchesKirchhoff Law
represents a single element such as a voltage source or a resistor. the point of connection between two or more branches.any closed path in a circuitKirchhoffs Current Laws (KCL)Kirchhoffs Voltage Law (KVL)
Sum of voltage drops = sum of voltage rises If the positive terminal of voltage is met first: +VIf the negative terminal of voltage is met first: -Vcurrent entering node = + icurrent leaving node = - iCurrent entering node = current leaving node
It really FUN study this subject
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