Posted by **tee** on Thursday, November 4, 2010 at 1:32am.

A solenoid has a cross-sectional area of 2.60 10-4 m2, consists of 600 turns per meter, and carries a current of 0.7 A. A 10 turn coil is wrapped tightly around the circumference of the solenoid. The ends of the coil are connected to a 0.8 resistor. Suddenly, a switch is opened, and the current in the solenoid dies to zero in a time of 0.11 s. Find the average current induced in the coil.

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