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Q#1
Network Theorems (DC Circuits)
GATE EE 2021
MCQ
+1 mark
-0.33 marks
For the network shown, the equivalent Thevenin voltage and Thevenin impedance as seen across terminals 'ab' is

10 V in series with 12 Ω
65 V in series with 15 Ω
50 V in series with 2 Ω
35 V in series with 2 Ω
Explanation:
Given circuit can be resolved as shown below,



Vx = 2 + 3 + 10 = 15 V

Alternate method
To determine VOC, we open terminal a & b
i = 0 i1 = 5 A
By KVL, 

To determine ISC, Short terminals a & b


By KVL,




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