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Q#1
Network Theorems (DC Circuits)
GATE EE 1997
MCQ
+2 marks
-0.66 marks
Find the Thevenin equivalent about AB for the circuit shown in figure
\(\ V_{th}=4A \ and \ R_{th}=4.5Ω\)
\(\ V_{th}=10A \ and \ R_{th}=4.5Ω\)
\(\ V_{th}=5A \ and \ R_{th}=4.22Ω\)
\(\ V_{th}=10A \ and \ R_{th}=4.22Ω\)
Explanation:
To determine the Thevenin Equivalent open circuit the terminals A and B.
Due to open circuit, current in 4Ω resistor is 0A.
Using KVL
-------------(1)
Applying KCL
-------------(2)
Solving equation 1 & 2
and 
For 
:Applying 1 volts source across terminals AB, and short circuiting independent voltage source.
Applying KCL
and 
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