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#59649 Bangla Language & Literature General Level 0

একটি 4-pole ও Phase 50 Hz induction motor এর Speed 1440 rpm. মোটরটির Slip কত Percent?

  1. A 10%
  2. B 4%
  3. C 4.4%
  4. D 5%
Answer: B - 4%

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