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Question

The power transfer in long transmission lines is limited by : 

A.

the magnitude of the voltage at the two ends, the reactance between the two ends and the sine of the angle between the two voltages 

B.

the magnitude of the voltages at the two ends and the sine of the angle between the two voltages 

C.

the magnitude of the voltages at the two ends, the reactance between the two ends and the cosine of angle between the two voltages

D.

the magnitude of the voltages at the two ends and the cosine of the angle between the two voltages

Answer ( Option A)

the magnitude of the voltage at the two ends, the reactance between the two ends and the sine of the angle between the two voltages 

Solution

We know that,


The power transfer in long transmission line is limited by the magnitude of the voltage at the two ends, the reactance between the two ends and the sine of the angle between the two voltages.

Hence, the correct option is (A).

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