An aluminum ring of radius r1 = 5.00 cm and a resistance of 4.55 times 10-4 Ohm

Question

An aluminum ring of radius r1 = 5.00 cm and a resistance of 4.55 times 10-4 Ohm is placed around one end of a long air-core solenoid with 990 turns per meter and radius r2 = 3.00 cm as shown in the figure below. Assume the axial component of the field produced by the solenoid is one-half as strong over the area of the end of the solenoid as at the center of the solenoid. Also assume the solenoid produces negligible field outside its cross-sectional area. The current in the solenoid is increasing at a rate of 270 A/s. What is the induced current in the ring? A At the center of the ring, what is the magnitude of the magnetic field produced by the induced current in the ring? mu T At the center of the ring, what is the direction of the magnetic field produced by the induced current in the ring? to the left to the right upward downward

Explanation / Answer

4.6 5 upward

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