9. A ring of mean radiusr and cross-sectional area A is made of a perfectly conducting wire. Inductance L of the ring is so small that inertia of free electrons cannot be neglected in the current building process. The free electron density in the conductor is n, mass of an electron is m and modulus of charge on an electron is e. Initially the ring is placed in a uniform magnetic field with its plane parallel to induction vector B of the field as shown in the figure. Find the current in the ring after it is turned through an angle 90°. В A: n Ae2
9. A ring of mean radiusr and cross-sectional area A is made of a perfectly conducting wire. Inductance L of the ring is so small that inertia of free electrons cannot be neglected in the current building process. The free electron density in the conductor is n, mass of an electron is m and modulus of charge on an electron is e. Initially the ring is placed in a uniform magnetic field with its plane parallel to induction vector B of the field as shown in the figure. Find the current in the ring after it is turned through an angle 90°. В A: n Ae2
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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Transcribed Image Text:9. A ring of mean radiusr and cross-sectional area A is made of a perfectly
conducting wire. Inductance L of the ring is so small that inertia of free
electrons cannot be neglected in the current building process. The free
electron density in the conductor is n, mass of an electron is m and
modulus of charge on an electron is e. Initially the ring is placed in a
uniform magnetic field with its plane parallel to induction vector B of
the field as shown in the figure. Find the current in the ring after it is
turned through an angle 90°.
A:
L+2TYM
nAe2
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