What is the primary reason commercial alternators generate sinusoidal alternating voltage?
Understand the Problem
The question is asking why commercial alternators are designed to generate sinusoidal AC voltage rather than other waveforms. It presents four possible reasons, and the task is to identify the most accurate and fundamental one.
Answer
Alternators generate sinusoidal voltage because their coils are circular for maximum efficiency.
Commercial alternators generate sinusoidal alternating voltage primarily because the coils within the alternator are wound in a circular shape. This design maximizes efficiency in generating electricity as the conductor passes through the magnetic field.
Answer for screen readers
Commercial alternators generate sinusoidal alternating voltage primarily because the coils within the alternator are wound in a circular shape. This design maximizes efficiency in generating electricity as the conductor passes through the magnetic field.
More Information
The consistent and predictable nature of sinusoidal voltage makes it easier to manage and use in electrical systems. The sine wave shape is a natural consequence of how alternators are built to efficiently convert mechanical energy into electrical energy using circular coils.
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