1. At what distance from a 86 W electromagnetic wave point source (like a light bulb) is the...
Question:
1. At what distance from a 86 W electromagnetic wave point source (like a light bulb) is the amplitude of the electric field 36 V/m?
{eq}\mu _{0} c = 376.991 \Omega {/eq}
Intensity of the Wave:
The intensity of the electromagnetic wave is dependent on the square of the amplitude of the electric field. The Intensity of the electromagnetic wave is defined as the power of electromagnetic point source divided by the surface area of the surface.
Answer and Explanation: 1
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View this answerThe intensity of the wave is given as:
{eq}I = \frac{P}{2\pi r} {/eq}
where:
P is the power
r is the distance
The intensity can be written in...
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What are Electromagnetic Waves: Definition & Types
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Chapter 18 / Lesson 6
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Discover the different types of electromagnetic waves and what defines an electromagnetic wave. Understand the term electromagnetic and see an electromagnetic wave diagram.
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