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What is the value of constant ‘a’ in the core part of the ac machines?(a) 4.7(b) 6.5(c) 6.7(d) 2.3The question was asked by my school teacher while I was bunking the class.Query is from Determination of Iron Losses & Slot Leakage in portion Principles of Magnetic Circuit Design of Design of Electrical Machines

Answer»

Correct ANSWER is (a) 4.7

Easiest explanation: The VALUE of CONSTANT ‘a’ in the core part of the ac machines is 4.7 and that in the TEETH part is 6.5. The value of constant ‘a’ in the core part of the dc machines is 6.5 and that in the teeth part is 2.3.



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