Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has 600 turns. The reluctance of the magnetic material can be neglected up to a flux density of 1.4 tesla. (a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is 1.4 tesla. (b) For the air gap in part (a), determine the force on the steel channel. (c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest gap at which the steel channel can be lifted magnetically against the force of gravity (9.81 m/sec²).
Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has 600 turns. The reluctance of the magnetic material can be neglected up to a flux density of 1.4 tesla. (a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is 1.4 tesla. (b) For the air gap in part (a), determine the force on the steel channel. (c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest gap at which the steel channel can be lifted magnetically against the force of gravity (9.81 m/sec²).
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has
600 turns. The reluctance of the magnetic material can be neglected up to a flux density of
1.4 tesla.
(a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is
1.4 tesla.
(b) For the air gap in part (a), determine the force on the steel channel.
(c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest
gap at which the steel channel can be lifted magnetically against the force of gravity
(9.81 m/sec²).
8 cm
40 cm
8 cm
8 cm
600 turns
H
16 cm
H
8 cm
Depth 80 cm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fac70fac4-2372-47b1-990a-0f392c8e948e%2Fc458dc87-ea55-410b-b7f1-f851e5cdc7f2%2F4jj2wij_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Fig. P3.4 shows an electromagnet system for lifting a section of steel channel. The coil has
600 turns. The reluctance of the magnetic material can be neglected up to a flux density of
1.4 tesla.
(a) For a coil current of 15A (dc), determine the maximum air gap g for which the flux density is
1.4 tesla.
(b) For the air gap in part (a), determine the force on the steel channel.
(c) The steel channel has a mass of 1000 kg. For a coil current of 15 A, determine the largest
gap at which the steel channel can be lifted magnetically against the force of gravity
(9.81 m/sec²).
8 cm
40 cm
8 cm
8 cm
600 turns
H
16 cm
H
8 cm
Depth 80 cm
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