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Power Systems

Power Systems
Attenuation occurs due to

 resistance
 both 1 and 3
 conductance
 inductance

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Power Systems
If the diameter of the conductor is increased

 the inductance is decreased
 the resistance is increased
 no change in inductance and resistance
 the inductance is increased

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Power Systems
Find the value of a729, where "a" is the operator

 1
 α
 0
 α²

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Power Systems
Advantage/s of per unit system as compare to absolute system?

All of these
 only one equation is required
 memory required is less
 calculation time is less

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Power Systems
Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no

None of these
 mutual coupling
 both 1 and 2
 shunt admittance

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Power Systems
a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency?

 2.9 kHz
 29 kHz
 29 MHz
 290 kHz

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