1. A solenoid has 2000 turns of wire and is 125cm long and 10.0cm in diameter; see the figure. A circular wire loop of diameter 5.0 cm lies along the axis of the solenoid near the middle of its length as shown. (a) If the current in the solenoid initially is 4.0 A, find the magnetic flux through the smaller loop. (b) If the current in the solenoid is switched off and falls to zero in 2.0 s, calculate the average value of the emf induced in smaller loop as the magnetic field in the solenoid decreases to zero. 5ćm 10cm

1. A solenoid has 2000 turns of wire and is 125cm long and 10.0cm in diameter; see the figure. A circular wire loop of diameter 5.0 cm lies along the axis of the solenoid near the middle of its length as shown. (a) If the current in the solenoid initially is 4.0 A, find the magnetic flux through the smaller loop. (b) If the current in the solenoid is switched off and falls to zero in 2.0 s, calculate the average value of the emf induced in smaller loop as the magnetic field in the solenoid decreases to zero. 5ćm 10cm

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter20: Induced Voltages And Inductance

Section: Chapter Questions

Problem 19P

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