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Questions and Answers
The electric field E and the magnetic field B are parallel to each other in an electromagnetic wave.
The electric field E and the magnetic field B are parallel to each other in an electromagnetic wave.
False
The speed of an electromagnetic wave in free space is $c = \frac{1}{\sqrt{\mu_0 \epsilon_0}}$.
The speed of an electromagnetic wave in free space is $c = \frac{1}{\sqrt{\mu_0 \epsilon_0}}$.
True
The impedance of free space is 300 Ohms.
The impedance of free space is 300 Ohms.
False
An electromagnetic wave is a type of longitudinal wave.
An electromagnetic wave is a type of longitudinal wave.
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The permeability of free space is 2 \mu_0.
The permeability of free space is 2 \mu_0.
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The electric field E and the direction of propagation k are parallel to each other.
The electric field E and the direction of propagation k are parallel to each other.
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The formula kB = \mu_0 \epsilon_0 \omega E is derived from Maxwell's fourth equation.
The formula kB = \mu_0 \epsilon_0 \omega E is derived from Maxwell's fourth equation.
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The magnetic field B is parallel to the direction of propagation k.
The magnetic field B is parallel to the direction of propagation k.
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The electromagnetic wave is propagating through a non-conducting media characterized by permittivity 3 \epsilon_0 and permeability \mu_0.
The electromagnetic wave is propagating through a non-conducting media characterized by permittivity 3 \epsilon_0 and permeability \mu_0.
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The formula H = \epsilon_0 E / \mu_0 is used to calculate the magnetic field H.
The formula H = \epsilon_0 E / \mu_0 is used to calculate the magnetic field H.
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