A 500 turns coil has a self- inductance of 15 mH. What must be the current required to produced 0.006 Wb in the coil? * 50 A 100 A 200 A 250 A What is the inductance when a coil of 900 turns wound in a 2cm x 4 cm, 20 cm long steel? The relative permeability of steel is 2000. * 8.90 H 8.14 H 9.78 H 10.5 H

A 500 turns coil has a self- inductance of 15 mH. What must be the current required to produced 0.006 Wb in the coil? * 50 A 100 A 200 A 250 A What is the inductance when a coil of 900 turns wound in a 2cm x 4 cm, 20 cm long steel? The relative permeability of steel is 2000. * 8.90 H 8.14 H 9.78 H 10.5 H

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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