A straight wire of length 2.4 m, and mass 146 g, carries a current I in a region where the magnitude field is directed horizontal from left to right. The wire lies perpendicular to the direction of the magnetic field and the current direction is out of the screen/paper. If the magnitude of the magnetic field is 0.34 T, what is the minimum value of the magnitude of the current I (in A) in this wire so that its weight is completely supported by the magnetic force due to the magnetic field it is in. Assume that no other forces except gravity act on it? State your answer correct to 1 decimal point. Use a period (full stop) for the decimal point. Do not include units in your answer.

A straight wire of length 2.4 m, and mass 146 g, carries a current I in a region where the magnitude field is directed horizontal from left to right. The wire lies perpendicular to the direction of the magnetic field and the current direction is out of the screen/paper. If the magnitude of the magnetic field is 0.34 T, what is the minimum value of the magnitude of the current I (in A) in this wire so that its weight is completely supported by the magnetic force due to the magnetic field it is in. Assume that no other forces except gravity act on it? State your answer correct to 1 decimal point. Use a period (full stop) for the decimal point. Do not include units in your answer.

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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A straight wire of length 2.4 m, and mass 146 g, carries a current I in a region where the magnitude field is directed horizontal from left to right. The wire lies
perpendicular to the direction of the magnetic field and the current direction is out of the screen/paper. If the magnitude of the magnetic field is 0.34 T, what is
the minimum value of the magnitude of the current I (in A) in this wire so that its weight is completely supported by the magnetic force due to the magnetic
field it is in. Assume that no other forces except gravity act on it? State your answer correct to 1 decimal point. Use a period (full stop) for the decimal point. Do
not include units in your answer.
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