Determine what is the cross sectional area of the solenoid

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Reference no: EM13288487

A solenoid consists of 400 turns per meter and carries a currentof .45 Amperes. A 20 turn coil is wrapped tightly around thecircumference of the solenoid. The ends of the solenoid areconnected to a 2 Ohm resistor. Suddenly a switch is opened and thecurrent in the solenoid dies to zero in a time of .15 seconds. Theaverage current induced in the coil is 3*10^-5 Amperes. What is the cross sectional area of the solenoid?

Reference no: EM13288487

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