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Electronic Devices And Circuits
Two Port Network
Q
A 2-port network is driven by a source Vs = 100 V in series with 5 ohm, and terminated in a 25 ohm resistor. The impedance parameters are The Thevenin equivalent circuit presented to the 25 ohm resistor is
AA. 80 v, 2.8 ohm
BB. 160 v, 6.8 ohm
CC. 100 v, 2.4 ohm
DD. 120 v, 6.4 ohm
Correct Answer:
B. B. 160 v, 6.8 ohm
Explanation:
100 = 25I1 + 2I2, V2 = 40I1 + 10I2 Also V2 = 160I1 + 6.8I2 using above equations we get, Vth = 160 V and Rth = 6.8 ohm.
