What is the thickness of the laminations of magnetic poles?(a) 0.3-0.5 mm(b) 0.2-0.4 mm(c) 0.35-0.5 mm(d) 0.4-0.5 mmI have been asked this question in an international level competition.Question is taken from Design of Small Universal Commutator Motors topic in chapter Design of Small Electrical Machines, Starters and Field Regulators of Design of Electrical Machines

What is the thickness of the laminations of magnetic poles?(a) 0.3-0.5

1.	What is the thickness of the laminations of magnetic poles?(a) 0.3-0.5 mm(b) 0.2-0.4 mm(c) 0.35-0.5 mm(d) 0.4-0.5 mmI have been asked this question in an international level competition.Question is taken from Design of Small Universal Commutator Motors topic in chapter Design of Small Electrical Machines, Starters and Field Regulators of Design of Electrical Machines
Answer» Correct ANSWER is (c) 0.35-0.5 MM To explain: The minimum VALUE of the thickness of the laminations of MAGNETIC poles is 0.35 mm. The MAXIMUM value of the thickness of the laminations of magnetic poles is 0.5 mm.

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