The ring is rotated about a diameter with a constant angular velocity ω. At time t = 0 the plane of the ring is perpendicular to the magnetic field; the direction of the magnetic field does not change in time. (a) Obtain an expression for the induced emf as a function of time. (b) If ω = 400 rad/s, a = 20.0 cm, R = 0.0500 Ω, B0 = 0.150 T, and τ = 0.0300 s, what is the induced current I at t = 0? Answers:
The ring is rotated about a diameter with a constant angular velocity ω. At time t = 0 the plane of the ring is perpendicular to the magnetic field; the direction of the magnetic field does not change in time. (a) Obtain an expression for the induced emf as a function of time. (b) If ω = 400 rad/s, a = 20.0 cm, R = 0.0500 Ω, B0 = 0.150 T, and τ = 0.0300 s, what is the induced current I at t = 0? Answers:
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter23: Faraday’s Law And Inductance
Section: Chapter Questions
Problem 1P
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Question
The ring is rotated about a diameter
with a constant
plane of the ring is perpendicular to the magnetic field;
the direction of the magnetic field does not change in
time. (a) Obtain an expression for the induced emf as a
function of time. (b) If ω = 400 rad/s, a = 20.0 cm, R =
0.0500 Ω, B0 = 0.150 T, and τ = 0.0300 s, what is the
induced current I at t = 0?
Answers:
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