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Unformatted text preview: directions. i 1 (t) i 2 (t) i 4 (t) i 5 (t) i 3 (t) ∑ = = n j j t i 1 ) ( 6 Formulations of KCL 7 KCL Example 8 A Major Implication of KCL 9 Generalization of KCL 10 Generalized KCL Examples 11 Kirchhoff's Voltage Law (KVL) • The algebraic sum of all the voltages around any loop in a circuit equals zero. • Conservation of energy. • For KVL we must have an idea about the reference direction of the voltage. No concern about actual voltage directions. ∑ = = n j j t v 1 ) ( 12 Formulations of KVL 13 KVL Example 14 A Major Implication of KVL 15 An Underlying Assumption of KVL • No timevarying magnetic flux through the loop, otherwise, there would be an induced voltage (Faraday's Law) 16 Example • Find current flowing through R4 • Voltage across R3 • Power absorbed by supply R 6 ohms 10 R 5 ohms 20 R 4 ohms 12 R 3 ohms 16 R 1 ohms 8 R 2 ohms 8 Volts 80...
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 Spring '10
 AzharRuaf
 Kirchhoff's circuit laws, Kirchhoff, ohms R5

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