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A solenoid a cross-sectional area of 5.4x10^-4 m^2, consists of 540 turns per meter, and carries...

A solenoid a cross-sectional area of 5.4x10^-4 m^2, consists of 540 turns per meter, and carries a current of 0.46 A/ A 18-turn coil is wrapped tightly around the circumference of the solenoid. The ends of the coil are connected to a 1.3 (unit) resistor. Suddenly, a switch is opened, and the current in the solenoid dies to zero in time of 0.047 S. Find the average current induced in the coil.

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