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Q#1
Network Theorems (DC Circuits)
GATE EE 2009
MCQ
+2 marks
-0.66 marks
For the circuit shown, find out the current flowing through the 2Ω resistance. Also identify the changes to be made to double the current through the 2Ω resistance.
(5A; Put 
= 20V)
(2A; Put = 8V)
(5A; Put = 10V)
(7A; Put = 12V)
Explanation:
Applying super-position theorem
(i) When only 
is considered (ii) When only 
is considered
Since voltage source is shorted in case-2, so entire current will flow through SC
Total current thought 
resistor 
To double the current through resistance,
Voltage source should be doubled as the current source doesn’t have any effect on value of 
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