Power Systems
A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

 540×540
 554×554
 553×553
 555×555

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Power Systems
Half life is defined as

 the time required to spiliting of a heavy nucleus.
  the time required for one half of isotope to decay.
 none of above.
 the time required for full of atoms in a specimen disintegrate.

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