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Electromagnetism on Electrical Engineering related Questions and Answers


Question :   The magnetic field of the solenoid is 18.84mT, the current is 30A. Calculate the number of turns per unit length if the core is air.
1. 1500 turns/m
2. 1000 turns/m
3. 500 turns /m
4. 2000 turns/m
Answer :   3 - 500 turns /m  

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