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Q#1 Load Flow Analysis GATE EE 2016 MCQ +1 mark -0.33 marks

In a 100 bus power system, there are 10 generators. In a particular iteration of Newton Raphson load flow technique (in polar coordinates), two of the PV buses are converted to PQ type. In this iteration,

The number of unknown voltage angles increases by two and the number of unknown voltage magnitude increases by two.

The number of unknown voltage angles remains unchanged and the number of unknown voltage magnitude increases by two.

The number of unknown voltage angles increases by two and the number of unknown voltage magnitude decreases by two.

The number of unknown voltage angles remains unchanged and the number of unknown voltage magnitude decreases by two.

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Network Analysis 268 0 0
Signals and Systems 168 0 0
Control Systems 262 0 0
Analog Electronics 186 0 0
Digital Electronics 150 0 0
Electrical Machines 399 0 0
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Power Systems 350 0 0
EMFT EE 111 0 0
Measurement 160 0 0
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General Aptitude 221 0 0