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13. A coil with 60 turns wound over a ferromagnetic core having relative permeability 400 has an inductance of 50 mH. If coil turns are doubled and the core is replaced by a new ferromagnetic core having relative permeability 600, the new inductance would be (a) 0.03 H (b) 0.3 H (c) 3 H (d) 0.15 H

13. A coil with 60 turns wound over a ferromagnetic core having relative permeability 400 has an inductance of 50 mH. If coil turns are doubled and the core is replaced by a new ferromagnetic core having relative permeability 600, the new inductance would be (a) 0.03 H (b) 0.3 H (c) 3 H (d) 0.15 H

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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(a) 13. A coil with 60 turns wound over a ferromagnetic core having relative permeability 400 has an inductance of 50 mH. If coil turns are doubled and the core is replaced by a new ferromagnetic core having relative permeability 600, the new inductance would be (a) 0.03 H (b) 0.3 H (c) 3 H altarnator will reverse if (d) 0.15 H
Transcribed Image Text:(a) 13. A coil with 60 turns wound over a ferromagnetic core having relative permeability 400 has an inductance of 50 mH. If coil turns are doubled and the core is replaced by a new ferromagnetic core having relative permeability 600, the new inductance would be (a) 0.03 H (b) 0.3 H (c) 3 H altarnator will reverse if (d) 0.15 H
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