What is the average value of the magnitude of the Poynting vector at 1 meter from a 100-watt lightbulb radiating in all directions? A) 1 W/m² B) 4 W/m² C) 2 W/m² D) 8 W/m² E) 12 W/m²

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The Answer of What is the average value of the magnitude of the Poynting vector at 1 meter from a 100-watt lightbulb radiating in all directions? A) 1 W/m² B) 4 W/m² C) 2 W/m² D) 8 W/m² E) 12 W/m²

What Is the Average Value of the Magnitude of the Poynting