The phase difference between each pair of coils of a three phase alternating current generatoris
Correct answer: C. 120°
- A. 0°
- B. 60°
- C. 120°
- D. 180°
Explanation
A three-phase alternating current generator produces three waveforms that are 120° out of phase with each other. This phase difference is critical for creating a balanced system where power is continuously supplied. This 120° separation allows for efficient transmission and distribution of electricity. The other options represent phase differences that do not describe a balanced three-phase system. A 0° phase difference would mean all phases are in sync, which isn't the case here. A 60° phase difference doesn't provide the necessary separation for three phases, and a 180° phase difference would imply two phases, leading to an incorrect configuration for a three-phase system.
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About Phase of Alternating Current
Phase describes the position of an alternating voltage or current within its cycle and the phase difference between two sinusoidal quantities. The topic covers in phase signals, phase angle and lead or lag in resistive, inductive and capacitive circuits, rather than the amplitude or frequency of the supply.
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