Suppose a 35 kW radio station emits EM waves uniformly in all directions. Part A How much energy per second crosses a 1.6 m² area 1.6 km from the transmitting antenna? Express your answer to two significant figures and include the appropriate units. ANSWER: P = 2.8 mW Incorrect; Try Again; 3 attempts remaining Part B What is the rms magnitude of the E field at this point, assuming the station is operating at full power? Express your answer to two significant figures and include the appropriate units. ANSWER: Erms = Part C What is the rms voltage induced in a 0.80 m -long vertical car antenna 1.6 km away? Express your answer to two significant figures and include the appropriate units.
Suppose a 35 kW radio station emits EM waves uniformly in all directions. Part A How much energy per second crosses a 1.6 m² area 1.6 km from the transmitting antenna? Express your answer to two significant figures and include the appropriate units. ANSWER: P = 2.8 mW Incorrect; Try Again; 3 attempts remaining Part B What is the rms magnitude of the E field at this point, assuming the station is operating at full power? Express your answer to two significant figures and include the appropriate units. ANSWER: Erms = Part C What is the rms voltage induced in a 0.80 m -long vertical car antenna 1.6 km away? Express your answer to two significant figures and include the appropriate units.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter24: Electromagnetic Waves
Section: Chapter Questions
Problem 48P
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