Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.1 mH/Km
 0 mH/Km
 0.025 mH/Km
 0.05 mH/Km

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Power Systems
The value of off diagonal elements is

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

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