= 0.250 kg and Figure 28-46 shows a wood cylinder of mass m= length L=0.100 m, with N=10.0 turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long cen- tral axis of the cylinder. The cylin- der is released on a plane inclined at an angle to the horizontal, with the plane of the coil parallel to the incline plane. If there is a vertical uniform magnetic field of magnitude 0.500 T, what is the least current i through the coil that keeps the cylin- der from rolling down the plane?
= 0.250 kg and Figure 28-46 shows a wood cylinder of mass m= length L=0.100 m, with N=10.0 turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long cen- tral axis of the cylinder. The cylin- der is released on a plane inclined at an angle to the horizontal, with the plane of the coil parallel to the incline plane. If there is a vertical uniform magnetic field of magnitude 0.500 T, what is the least current i through the coil that keeps the cylin- der from rolling down the plane?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:Figure 28-46 shows a wood cylinder of mass m = 0.250 kg and
length L= 0.100 m, with N=10.0 turns of wire wrapped around it
longitudinally, so that the plane of
the wire coil contains the long cen-
tral axis of the cylinder. The cylin-
der is released on a plane inclined
at an angle to the horizontal, with
the plane of the coil parallel to the
incline plane. If there is a vertical
uniform magnetic field of magnitude
0.500 T, what is the least current i
through the coil that keeps the cylin-
der from rolling down the plane?
Show that the magnitude of the magnetic field produced at
the center of a rectangular loop of wire of length L and width W,
carrying a current i, is
B =
2μi (L² + W²)¹/2
LW
T
NAME
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