Power Systems
The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be

 6.5 MW
 8.5 MW
 5.5 MW
 4.5 MW

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