A radio station on the earth's surface emits a sinusoidal wave with average total power 50 kW. Assuming that the transmitter radiates equally in all directions above the ground (which is unlikely in real situations), find the electric-field and magnetic- field amplitudes Emax and Bmax detected by a satellite 100 km from the antenna.

A radio station on the earth's surface emits a sinusoidal wave with average total power 50 kW. Assuming that the transmitter radiates equally in all directions above the ground (which is unlikely in real situations), find the electric-field and magnetic- field amplitudes Emax and Bmax detected by a satellite 100 km from the antenna.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section: Chapter Questions

Problem 50A

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Question

Please show all work using this. (Actual values, equations, and drawings)

A radio station on the earth's surface emits a sinusoidal wave
with average total power 50 kW. Assuming that the transmitter
radiates equally in all directions above the ground (which is
unlikely in real situations), find the electric-field and magnetic-
field amplitudes Emax and Bmax detected by a satellite 100 km
from the antenna.
Satellite
r = 100 km
Transmitter

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