ENGR 2405 Pop-Quiz 3 2007-key - ENGR 2405 Pop-quiz 3 Name_Key Section 1 Name 1 Using superposition theorem determine the current flowing through R 1 in

# ENGR 2405 Pop-Quiz 3 2007-key - ENGR 2405 Pop-quiz 3...

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ENGR 2405 Pop-quiz 3 Name _________Key_____________ Section _________ 1
Name _______________ 1. Using superposition theorem, determine the current flowing through R 1 in the circuit shown in Figure 1. Figure 1 I = (2/3) + (1/6) = 5/6 A 2. Determine the Thevenin’s equivalent circuit for the circuit external to the resistor R shown in Figure 2. Figure 2 2 8 R3 3 R2 6 R1 a b R Th = 10 12 V V1 8 R3 3 R2 6 R1 V Th = 4 V 4 V Vth R 10 Rth 3 Rp 12 R1 10V V1 I’=2/3 A 6 R2 6 R3 12 R1 V1 4 R2 6 R3 V1 I” I”’ I”’ = (6/18)(0.5) = 1/6 A
Name ___________________ 3. If R 4 equals 50 , determine the Norton’s equivalent circuit for the circuit external to the resistor R 2 shown in Figure 3. R N = (25X75)/100 = 18.75 Figure 3 4. Using formatted-mesh analysis, determine the mesh equations for the circuit
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