Introduction to Electrical Engineering
Introduction to Electrical Engineering ECE 109
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This 2 page Class Notes was uploaded by Erick Metz DVM on Saturday October 3, 2015. The Class Notes belongs to ECE 109 at California State Polytechnic University taught by Toma Sacco in Fall. Since its upload, it has received 26 views. For similar materials see /class/218133/ece-109-california-state-polytechnic-university in ELECTRICAL AND COMPUTER ENGINEERING at California State Polytechnic University.
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Date Created: 10/03/15
a a R2 R3 RC RB C b c b 1 Prove ifa circuit is established as shown then RA Assume the circuit is established as shown Since Rab Rab 1 1 1 R1R2R3 m E m m by WWW of WW 1RA RBR1gtltR3R2gtltR3 U R1R2R3 39 same as above R1gtltR2R1gtltR3 2RBRC R1R2R3 R1gtltR2R2gtltR3 3RARC R1R2 R3 Let 1 3 2 RA RB RA RC RB RC R1XR3R2XR3R1XR2R2XR37R1gtltR2R1gtltR3I R1R2R3 R2gtltR3R2gtltR3 2XR2XR3 ZRA R1R2R3 R1R2R3 R2XR3R2XR3 R2XR3 RA R1R2R3 R1R2R3 RAXRBRAgtltRCRBgtltRC 2 Prove ifa CirCUIt is established as shown R1 T RAXRBRAgtltRCRBgtltRC Its contradiction a Circwt is established as shown and R1 at T must be false RAXRBRAgtltRCRBgtltRC RA R1t Thus RAXRBRAgtltRCRBgtltRC R2 RB RAXRBRAgtltRCRBgtltRC R3 at RC And RAXRBRAXRCRBXRC RAXRBRAgtltRCRBgtltRC R2R3at RB RC gtRAxRBRAchRBchxaeBRc RBXRC Then 1 RA R1 RAXRBRAXRCRBXRC RBXRC R2R3 UMXRBRAXRCRBXMDXQBRO 1 1 mm RA iRAXRBRAXRCRBXRC RBXRC RAXRBRAgtltRCRBXRCgtltRBRC RAXRBRCRBgtltRC i RAXRBRAgtltRCRBgtltRCgtltRBRC RAXRBRAgtltRCRBgtltRC 1 i RAXRBRAXRCRBgtltRCXRBRC RBRC this contradicts with the property of parallel circuit RAXRBRAgtltRCRBgtltRC RA R1 is true by contradiction