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The approximate efficiency of a 3-phase, 50 Hz, 4-pole induction motor running at 1350 r.p.m. is
90%
60%
45%
100%
90%
Quick Summary: Practice and solve "The approximate efficiency of a 3-phase, 50 Hz, 4-pole induction motor running at 1350 r.p.m. is..." for Electrical - Electric Drives. The correct answer is Option A: 90%. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **