Young domestic chickens have the ability to orient themselves in the earth's magnetic field. Researchers used a set of two coils to adjust the magnetic field in the chicks' pen. (Figure 1) shows the two coils, whose centers coincide, seen edge-on. The axis of coil 1 is parallel to the ground and points to the north; the axis of coil 2 is oriented vertically. Each coil has 27 turns and a radius of 1.4 m. At the location of the experiment, the earth's field had a magnitude of 5.6 × 10 ³ T and pointed to the north, tilted up from the horizontal by 61°.

Young domestic chickens have the ability to orient themselves in the earth's magnetic field. Researchers used a set of two coils to adjust the magnetic field in the chicks' pen. (Figure 1) shows the two coils, whose centers coincide, seen edge-on. The axis of coil 1 is parallel to the ground and points to the north; the axis of coil 2 is oriented vertically. Each coil has 27 turns and a radius of 1.4 m. At the location of the experiment, the earth's field had a magnitude of 5.6 × 10 ³ T and pointed to the north, tilted up from the horizontal by 61°.

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

Young domestic chickens have the ability to orient themselves in the
earth's magnetic field. Researchers used a set of two coils to adjust
the magnetic field in the chicks' pen. (Figure 1) shows the two coils,
whose centers coincide, seen edge-on. The axis of coil 1 is parallel to
the ground and points to the north; the axis of coil 2 is oriented
vertically. Each coil has 27 turns and a radius of 1.4 m. At the location
of the experiment, the earth's field had a magnitude of 5.6 x 10 5 T
and pointed to the north, tilted up from the horizontal by 61°.
Part A
If the researchers wished to exactly cancel the earth's field, what currents would they need to apply in coil 1 and in coil 2?
Express your answers in amperes separated by a comma.
Πνα ΑΣφ
I1.I2 =
A
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BA
Coil 2
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North
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coincide.
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