The magnetic field B in a certain region is 0.128 T, and its direction is that of the +z-axis as shown in the figure below. 40.0 cm a 30.0 cm 50.0 cm (a) What is the magnetic flux across the surface abcd in the figure? (b) What is the magnetic flux across the surface befc? 30.0 cm (c) What is the magnetic flux across the surface aefd? (d) What is the net flux through all five surfaces that enclose the shaded volume? ans. (a) B = 0; (b) B = -0.0115 Wb; (c) B = +0.0115 Wb; (d) Bnet = 0

The magnetic field B in a certain region is 0.128 T, and its direction is that of the +z-axis as shown in the figure below. 40.0 cm a 30.0 cm 50.0 cm (a) What is the magnetic flux across the surface abcd in the figure? (b) What is the magnetic flux across the surface befc? 30.0 cm (c) What is the magnetic flux across the surface aefd? (d) What is the net flux through all five surfaces that enclose the shaded volume? ans. (a) B = 0; (b) B = -0.0115 Wb; (c) B = +0.0115 Wb; (d) Bnet = 0

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter31: Gauss’s Law For Magnetism And Ampère’s Law

Section: Chapter Questions

Problem 59PQ: A uniform magnetic field B=5.44104iT passes through a closed surface with a slanted top as shown in...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

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The magnetic field B in a certain region is 0.128 T, and its direction is that of the +z-axis as shown in the figure
below.
40.0 cm
a
b 30.0 cm
50.0 cm
(a) What is the magnetic flux across the surface abcd in the figure?
(b) What is the magnetic flux across the surface befc?
30.0 cm (c) What is the magnetic flux across the surface aefd?
e
(d) What is the net flux through all five surfaces that enclose the shaded
volume?
ans.
(a) B = 0; (b) B = -0.0115 Wb; (c) B = +0.0115 Wb; (d) $B,net
= 0

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