Question
Download Solution PDFThe frequency of voltage generated by an alternator having 4 poles and rotating at 750 rpm is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 2): 25 Hz
Concept:
The frequency of voltage generated by an alternator given by
\(f = \frac{{PN}}{{120}}\)
f = frequency in Hz,
P = No. of pole,
N = speed in RPM
Calculation:
Given
P = 4
N = 750 rpm
\(f = \frac{{4 \times 750}}{{120}} = 25\;Hz\)
Last updated on Jun 16, 2025
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