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OpenStudy (anonymous):
The current in an air-core solenoid is reduced from 3.99 A to zero over 5.9s. The solenoid has 2000 turns per meter and a cross-sectional area of 0.131 m 2 . Surrounding the solenoid near the center of its length is a second coil of 50 turns. a. What is the magnitude of the induced emf in the second coil? b. If the resistance of the second coil is 0.00409 ohm what is the induced current?
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