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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