A beam of protons is directed in a straight line along the positive z-direction through a region of space in which there are crossed electric and magnetic fields. If the electric field magnitude is E= 390 V/m in the negative y-direction and the protons move at a constant speed of v= 5.7 x 10 m/s, what must the direction and magnitude of the magnetic field be in order for the beam of protons to continue undeflected along its straight-line trajectory? Select the direction of the magnetic field B. O negative z-direction positive x-direction O negative x-direction O positive z-direction O positive y-direction O negative y-direction magnitude of the magnetic field B: T

A beam of protons is directed in a straight line along the positive z-direction through a region of space in which there are crossed electric and magnetic fields. If the electric field magnitude is E= 390 V/m in the negative y-direction and the protons move at a constant speed of v= 5.7 x 10 m/s, what must the direction and magnitude of the magnetic field be in order for the beam of protons to continue undeflected along its straight-line trajectory? Select the direction of the magnetic field B. O negative z-direction positive x-direction O negative x-direction O positive z-direction O positive y-direction O negative y-direction magnitude of the magnetic field B: T

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

A beam of protons is directed in a straight line along the positive z-direction through a region of space in which there are
crossed electric and magnetic fields. If the electric field magnitude is E = 390 V/m in the negative y-direction and the protons
move at a constant speed of v= 5.7 x 10 m/s, what must the direction and magnitude of the magnetic field be in order for the
beam of protons to continue undeflected along its straight-line trajectory?
Select the direction of the magnetic field B.
negative z-direction
positive x-direction
negative x-direction
positive z-direction
positive y-direction
negative y-direction
magnitude of the magnetic field B:
> TOOLS
T

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