Four thin wires that are parallel, straight, and very long are shown in the figure. All four wirescarry an identical current I in the directions indicated. All four wires are a distance d from theorigin of the coordinate system.4dAll wires carry addcurrent I in theindicated direction.13dAll wires are a distanced from the origin.02In the figure above, the net magnetic field at the origin is non-zero. Which of thefollowing changes would result in the net magnetic field at the origin becoming zero?MORE THAN ONE ANSWER MAY BE POSSIBLE, SELECT ALL THAT APPLYi.Change the direction of the current in Wire 1.ii.Change the direction of the current in Wire 2.iii.Change the direction of the current in Wire 3.iv.Change the direction of the current in Wire 4.Which of the following changes would cause the net magnetic field at the origin topoint into the first quadrant, as shown?i.Increase the magnitude of the current in Wire 1.14Quadrant 1ii.Increase the magnitude of the current in Wire 2.ddiii.Increase the magnitude of the current in Wire 3.3.div.Increase the magnitude of the current in Wire 4.02

Direction magnetic field is given by right hand rule.

Four thin wires that are parallel, straight, and very long are shown in the figure. All four wires carry an identical current I in the directions indicated. All four wires are a distance d from the origin of the coordinate system. 04 d All wires carry a current I in the d d indicated direction. 1 3 d All wires are a distance d from the origin.

Four thin wires that are parallel, straight, and very long are shown in the figure. All four wires carry an identical current I in the directions indicated. All four wires are a distance d from the origin of the coordinate system. 04 d All wires carry a current I in the d d indicated direction. 1 3 d All wires are a distance d from the origin.

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

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.

Question

Four thin wires that are parallel, straight, and very long are shown in the figure. All four wires
carry an identical current I in the directions indicated. All four wires are a distance d from the
origin of the coordinate system.
4
d
All wires carry a
d
d
current I in the
indicated direction.
1
3
d
All wires are a distance
d from the origin.
02
In the figure above, the net magnetic field at the origin is non-zero. Which of the
following changes would result in the net magnetic field at the origin becoming zero?
MORE THAN ONE ANSWER MAY BE POSSIBLE, SELECT ALL THAT APPLY
i.
Change the direction of the current in Wire 1.
ii.
Change the direction of the current in Wire 2.
iii.
Change the direction of the current in Wire 3.
iv.
Change the direction of the current in Wire 4.
Which of the following changes would cause the net magnetic field at the origin to
point into the first quadrant, as shown?
i.
Increase the magnitude of the current in Wire 1.
14
Quadrant 1
ii.
Increase the magnitude of the current in Wire 2.
d
d
iii.
Increase the magnitude of the current in Wire 3.
3.
d
iv.
Increase the magnitude of the current in Wire 4.
02

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