At the top of Earth’s atmosphere, the time-averaged Poynting vector associated with sunlight has a magnitude of about 1.49 kW/m2. a. What is the maximum value for the electric field of a wave of this intensity? Give your answer in volts per meter.  b. What is the maximum value for the magnetic field of a wave of this intensity? Give your answer in teslas.  c. What is the total power radiated by the sun? Assume that the Earth is 1.5×10111.5×1011 m from the Sun and that sunlight is composed of electromagnetic plane waves. Give your answer in watts.

University Physics Volume 2
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ISBN:9781938168161
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Chapter16: Electromagnetic Waves
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Problem 57P: At the top of Earth’s atmosphere, the time-averaged Porting vector associated with sunlight has a...
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At the top of Earth’s atmosphere, the time-averaged Poynting vector associated with sunlight has a magnitude of about 1.49 kW/m2.

a. What is the maximum value for the electric field of a wave of this intensity? Give your answer in volts per meter. 

b. What is the maximum value for the magnetic field of a wave of this intensity? Give your answer in teslas. 

c. What is the total power radiated by the sun? Assume that the Earth is 1.5×10111.5×1011 m from the Sun and that sunlight is composed of electromagnetic plane waves. Give your answer in watts. 

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