A. What are force and energy? Explain why automobiles have seat belts, air bags, and crumple zones as safety features. B. Explain the connection between electricity and magnetism. What are two medical applications of this connection?

A. What are force and energy? Explain why automobiles have seat belts, air bags, and crumple zones as safety features. B. Explain the connection between electricity and magnetism. What are two medical applications of this connection?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter26: Electric Potential

Section: Chapter Questions

Problem 3PQ: Review A system consists of a planet and a star, with the planet in an elliptical orbit. As the...

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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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