A. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If thewinding is excited from a 240 V DC source, the magnetic flux linking the coil is 4mWb. Determine theself-inductance of the coil.B. A coil of 1000 turns is uniformly wound on a ring of non-magnetic material, the mean diameter being20 cm. The cross-sectional area of the coil is 4 cm2. Determine the self inductance of the coil.C.An iron core 0.4m long and 5 cm2 . In cross section, is wound with 300 turns. When a current of 0.5 Aflows in the coil, how much is the inductance of the coil. Assume the core has a permeability of 2500.

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A. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If the winding is excited from a 240 V DC source, the magnetic flux linking the coil is 4mWb. Determine the self-inductance of the coil.

A. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If the winding is excited from a 240 V DC source, the magnetic flux linking the coil is 4mWb. Determine the self-inductance of the coil.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

A. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If the
winding is excited from a 240 V DC source, the magnetic flux linking the coil is 4mWb. Determine the
self-inductance of the coil.
B. A coil of 1000 turns is uniformly wound on a ring of non-magnetic material, the mean diameter being
20 cm. The cross-sectional area of the coil is 4 cm2. Determine the self inductance of the coil.
C.An iron core 0.4m long and 5 cm2 . In cross section, is wound with 300 turns. When a current of 0.5 A
flows in the coil, how much is the inductance of the coil. Assume the core has a permeability of 2500.

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