The electric field of an EM wave is given by E(y,t) = (3 × 10-2 V/m) cos((2.51 × 106 m-1 )y + (7.54 × 1014 rad/s)t)i A. The EM wave is propagating along the i. x-axis ii. y-axis iii. z-axis B. The magnetic field is oscillating along the i. x-axis ii. y-axis iii. z-axis

The electric field of an EM wave is given by E(y,t) = (3 × 10-2 V/m) cos((2.51 × 106 m-1 )y + (7.54 × 1014 rad/s)t)i A. The EM wave is propagating along the i. x-axis ii. y-axis iii. z-axis B. The magnetic field is oscillating along the i. x-axis ii. y-axis iii. z-axis

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 49PQ

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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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The electric field of an EM wave is given by

E(y,t) = (3 × 10^-2 V/m) cos((2.51 × 10⁶ m^-1 )y + (7.54 × 10¹⁴ rad/s)t)i

A. The EM wave is propagating along the

i. x-axis

ii. y-axis

iii. z-axis

B. The magnetic field is oscillating along the

i. x-axis

ii. y-axis

iii. z-axis

Ē (y, t) = (3 × 10-2 V /m) cos((2.51 × 10° m-1)y + (7.54 × 1014 rad/s)t)î

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