Edhina An aluminum ring of radius n = 5.00 cm and a resistance of 2.75 x 10 N is placed around one end of a long air-core solenoid with 980 turns per meter and radius r2 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. %3! 3.00 cm (a) What is the induced current in the ring? A (b) At the center of the ring, what is the magnitude of the magnetic field produced by the induced current in the ring?

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An aluminum ring of radius
n = 5.00 cm and a resistance of 2.75 x 10 N is placed around one end of a long air-core
solenoid with 980 turns per meter and radius r2
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.
%3!
3.00 cm
(a) What is the induced current in the ring?
A
(b) At the center of the ring, what is the magnitude of the magnetic field produced by the
induced current in the ring?
Transcribed Image Text:Editing An aluminum ring of radius n = 5.00 cm and a resistance of 2.75 x 10 N is placed around one end of a long air-core solenoid with 980 turns per meter and radius r2 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. %3! 3.00 cm (a) What is the induced current in the ring? A (b) At the center of the ring, what is the magnitude of the magnetic field produced by the induced current in the ring?
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