A radio antenna broadcasts a 1.0 MHz radio wave with 25 kW of power. Assume that the
Question:
A radio antenna broadcasts a 1.0 MHz radio wave with 25 kW of power. Assume that the radiation is emitted uniformly in all directions.
a. What is the wave’s intensity 30 km from the antenna?
b. What is the electric field amplitude at this distance?
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Related Book For 
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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