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?

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?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.

Question

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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