A coil of wire 0.1 m long and having 15 turns carries a current of 1.0 A. (a) Compute the flux density if the coil is within a vacuum. (b) A bar of an iron-silicon alloy, the B- H behavior for which is shown in Figure 20.29, is positioned within the coil. What is the flux density within this bar? (c) Suppose that a bar of molybdenum is now situated within the coil. What current must be used to produce the same B field in the Mo as was produced in the iron-silicon alloy [part (b)] using 1.0 A?
A coil of wire 0.1 m long and having 15 turns carries a current of 1.0 A. (a) Compute the flux density if the coil is within a vacuum. (b) A bar of an iron-silicon alloy, the B- H behavior for which is shown in Figure 20.29, is positioned within the coil. What is the flux density within this bar? (c) Suppose that a bar of molybdenum is now situated within the coil. What current must be used to produce the same B field in the Mo as was produced in the iron-silicon alloy [part (b)] using 1.0 A?
Chapter14: Inductance
Section: Chapter Questions
Problem 77AP: A solenoid with 4 x 107turns/m has an iron core placed in it whose magnetic susceptibility is 4.0 x...
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![A coil of wire 0.1 m long and having 15 turns carries a
current of 1.0 A. (a) Compute the flux density if the coil is
within a vacuum. (b) A bar of an iron-silicon alloy, the B-
H behavior for which is shown in Figure 20.29, is
positioned within the coil. What is the flux density within
this bar? (c) Suppose that a bar of molybdenum is now
situated within the coil. What current must be used to
produce the same B field in the Mo as was produced in
the iron-silicon alloy [part (b)] using 1.0 A?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5053d66a-72c6-45f6-b8d7-20642f1a4b98%2Fc0d9f519-bb76-4607-ac2f-c62faba0e4bc%2Faq65igl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A coil of wire 0.1 m long and having 15 turns carries a
current of 1.0 A. (a) Compute the flux density if the coil is
within a vacuum. (b) A bar of an iron-silicon alloy, the B-
H behavior for which is shown in Figure 20.29, is
positioned within the coil. What is the flux density within
this bar? (c) Suppose that a bar of molybdenum is now
situated within the coil. What current must be used to
produce the same B field in the Mo as was produced in
the iron-silicon alloy [part (b)] using 1.0 A?
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