A 96-mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is tightly wound around the solenoid at its center. The coil's resistance is 9.9 ohms. The mutual inductance of the coil and solenoid is 31 µH. At a given instant, the current in the solenoid is 540 mA, and is decreasing at the rate of 2.5 A/s. At the given instant, what is the magnitude of the induced current in the coil? (µO = 41 x 10-7I: m/A)

University Physics Volume 2
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Chapter14: Inductance
Section: Chapter Questions
Problem 76AP: Suppose that a cylindrical solenoid is wrapped around a core of iron whose magnetic susceptibility...
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A 96-mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m
in diameter. A coil is tightly wound around the solenoid at its center. The
coil's resistance is 9.9 ohms. The mutual inductance of the coil and solenoid
is 31 µH. At a given instant, the current in the solenoid is 540 mA, and is
decreasing at the rate of 2.5 A/s. At the given instant, what is the magnitude
of the induced current in the coil? (uO = 4TT x 10-7 T. m/A)
Transcribed Image Text:A 96-mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is tightly wound around the solenoid at its center. The coil's resistance is 9.9 ohms. The mutual inductance of the coil and solenoid is 31 µH. At a given instant, the current in the solenoid is 540 mA, and is decreasing at the rate of 2.5 A/s. At the given instant, what is the magnitude of the induced current in the coil? (uO = 4TT x 10-7 T. m/A)
11 μΑ
13 μΑ
9.4 μΑ
6.3 μΑ
7.3 μΑ
Transcribed Image Text:11 μΑ 13 μΑ 9.4 μΑ 6.3 μΑ 7.3 μΑ
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