Q: What is the percentage slip at rated load of a 400 V, 3-phase, 8-pole, 50 Hz squirrel-cage motor if the full-load speed is 720 rpm? पूर्ण-लोड पर गति 720 rpm होने पर एक 400 V, 3-फेज, 8-पोल, 50 Hz पिंजरी मोटर का रेटेड लोड पर प्रतिशत स्लिप कितना होता है?
A.
2%
B.
4%
C.
12%
D.
8%
Correct Answer:
Option B -
Explanations:
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