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Q#1 Sinusoidal Steady State Analysis GATE EE 2002 NAT +2 marks -0 marks

An electrical network is fed by two ac sources, as shown Figure. Given that ,  and .  Obtain the Thevenin equivalent circuit (Thevenin voltage and impedance) across terminals x and y, and determine the current  through the load .

C:\Users\Ankit\Dropbox\GATE papers\EE papers\Typed\Gate-EE-2002\Figures\Q53.jpg

Explanation:

To determine the Thevenin Voltage, the load terminals must be opened as shown below,

Untitled-6.png

Applying KVL in loop

To determine Thevenin Impedance, both voltage sources must be shorted as shown below,

Untitled-7.png

Thevenin equivalent circuit:

C:\Users\Ankit\Dropbox\GATE papers\EE papers\Solutions\network\Network\Network\network 2002\Untitled-8.png

= 0A

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Network Analysis 208 0 0
Signals and Systems 21 0 0
Control Systems 18 0 0
Analog Electronics 10 0 0
Digital Electronics 138 0 0
Electrical Machines 17 0 0
Power Electronics 17 0 0
Power Systems 18 0 0
EMFT EE 8 0 0
Measurement 6 0 0
Engineering Mathematics 27 0 0
General Aptitude 104 0 0