Two long straight current-carrying wires are lined up parallel to one another in vacuum at a distance d. Currents of I, and I2 flow through the wires, both in the same direction generating the field of BM at a midpoint between them. Write down an expression for BM in terms of the currents running in each of the wires. Assume vacuum permeability, = 1. Please use "*" for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. For use 1/(A*B). For Greek letters such as A or use lambda and pi. Please use the "Display response" button to check you entered the answer you expect. A+B BM= Display response

Two long straight current-carrying wires are lined up parallel to one another in vacuum at a distance d. Currents of I, and I2 flow through the wires, both in the same direction generating the field of BM at a midpoint between them. Write down an expression for BM in terms of the currents running in each of the wires. Assume vacuum permeability, = 1. Please use "" for products (e.g. BA), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. For use 1/(A*B). For Greek letters such as A or use lambda and pi. Please use the "Display response" button to check you entered the answer you expect. A+B BM= Display response

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.

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Two long straight current-carrying wires are lined up parallel to one another in vacuum at a distance d. Currents of I₁ and I2 flow through the wires,
both in the same direction generating the field of BM at a midpoint between them. Write down an expression for BM in terms of the currents
running in each of the wires. Assume vacuum permeability o = 1. Please use "*" for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+"
and "-" signs as appropriate. For AB use 1/(A*B). For Greek letters such as or use lambda and pi. Please use the "Display response" button to
check you entered the answer you expect.
BM=
Display response

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