A short dipole-carrying current I, cos wt in the a̟ direction is located at the origin in free space. (a) If k = 1 rad/m, r = 2 m, 0 = 45°, þ = 0, and t = 0, give a unit vector in rectangular components that shows the instantaneous direction of E. (b) What fraction of the total average power is radiated in the belt, 80° <0 < 100°? 14.18 %3D %3D

A short dipole-carrying current I, cos wt in the a̟ direction is located at the origin in free space. (a) If k = 1 rad/m, r = 2 m, 0 = 45°, þ = 0, and t = 0, give a unit vector in rectangular components that shows the instantaneous direction of E. (b) What fraction of the total average power is radiated in the belt, 80° <0 < 100°? 14.18 %3D %3D

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter14: Basic Trigonometry And Vectors

Section: Chapter Questions

Problem 1RQ: 1. Which trigonometric function is used to find the angle if the length of the hypotenuse and of the...

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