Power Systems
Which of the following rotor is used in thermal power plants?

 squirrel cage rotor
 either of these
 cylindrical rotor
 salient pole rotor

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Power Systems
The value of off diagonal elements is

 sum of admittances connected at bus i
 which is connected between bus i and bus j with positive sign
 sum of admittances connected at bus j
 which is connected between bus i and bus j with negative sign

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