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Home Q & A Board Science-Related Homework Help Physics
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LeaP LeaP
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5 years ago
A 66 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 resistance is 4.3 ohms. The mutual inductance of the coil and solenoid is At a given instant, the current in the solenoid is and is decreasing at the rate of At the given instant, the magnetic energy of the solenoid, in is closest to:

• 8,200

• 7,000

• 4,600

• 9,300

• 5,700
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College Physics

College Physics


Edition: 10th
Authors:
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