What is the maximum electric field strength in an electromagnetic wave that has a maximum...

Question:

What is the maximum electric field strength in an electromagnetic wave that has a maximum magnetic field strength of {eq}5.00 \times 10^{-4}\ T {/eq} (about {eq}10 {/eq} times the Earth's)?

Electric and Magnetic Fields:

In electromagnetic waves, the maximum electric and magnetic fields can be related together by a simple equation that is written as:

{eq}\displaystyle E = cB {/eq}

where:

• E is the electric field
• c is the speed of light
• B is the magnetic field strength

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Given:

• {eq}\displaystyle B = 5\ \times\ 10^{-4}\ T {/eq} is the maximum magnetic field strength

In order to determine the maximum electric field...

Electromagnetic Waves: Definition, Sources & Properties

from

Chapter 20 / Lesson 6
109K

Electromagnetic waves are both electric and magnetic, and can travel without a medium. Learn about the definition, sources, and properties of electromagnetic waves.