Power Systems
A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is

 28 Ω
 33 Ω
 52 Ω
 40 Ω

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Power Systems
In order to have lower cost of power generaion

 The load factor and diversity factor should be high
 the load factor should be high but diversity factor should be low
 the load factor should be low but diversity factor should be high
 the load factor and diversity factor should be low

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