# BookRiff

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## What type of energy is induced in conductor by electromagnetic waves?

When a permanent magnet is moved relative to a conductor, or vice versa, an electromotive force is created. If the wire is connected through an electrical load, current will flow, and thus electrical energy is generated, converting the mechanical energy of motion to electrical energy.

What is energy propagated in the form of electromagnetic waves?

Electromagnetic radiation is energy that is propagated through free space or through a material medium in the form of electromagnetic waves, such as radio waves, visible light, and gamma rays. The term also refers to the emission and transmission of such radiant energy.

How electromagnetic waves are generated by a conductor?

Electromagnetic waves are created by oscillating charges (which radiate whenever accelerated) and have the same frequency as the oscillation. Since the electric and magnetic fields in most electromagnetic waves are perpendicular to the direction in which the wave moves, it is ordinarily a transverse wave.

### How does a wave propagate its energy?

In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.

Which electromagnetic wave transfers the most energy?

Gamma( γ ) radiation has the greatest energy. This is because γ -radiation has the highest frequency.

What electromagnetic wave is holding more energy than the others?

Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation.

#### Which type of electromagnetic wave has the most energy?

Gamma rays
Gamma rays have the highest energies and shortest wavelengths on the electromagnetic spectrum.

Which electromagnetic wave carries more energy than the other?

Radio waves have photons with low energies, microwave photons have a little more energy than radio waves, infrared photons have still more, then visible, ultraviolet, X-rays, and, the most energetic of all, gamma-rays.

Can electromagnetic waves propagate in conductor?

, that is known as the skin-depth. Consequently, an electromagnetic wave cannot penetrate more than a few skin-depths into a conducting medium. This implies that high frequency waves penetrate a shorter distance into a conductor than low frequency waves. …

## When a uniform plane electromagnetic wave is propagating in a very good conductor then the phase shift constant is?

Explanation: The phase constant and the attenuation constant are both the same in the case of conductors. Given that the attenuation constant is 0.04, implies that the phase constant is also 0.04.

How electromagnetic waves are being propagated and transmitted?

EM Waves. EM energy is propagated as a wave of electric and magnetic fields, oscillating between positive and negative polarity. Thus, an EM wave propagating through a point in space alternately would attract and repel a charged particle positioned there, such as an electron.

How electromagnetic waves propagate through space?

Electromagnetic waves are waves which can travel through the vacuum of outer space. When an electromagnetic wave impinges upon the atoms of a material, the energy of that wave is absorbed. The absorption of energy causes the electrons within the atoms to undergo vibrations.

### How are electromagnetic waves propagated through a conductor?

According to Equation (868), the phase of the magnetic component of an electromagnetic wave propagating through a good conductor lags that of the electric component by radians. It follows that the mean energy flux into the conductor takes the form (see Appendix C) (872) where is the amplitude of the electric component of the wave.

Can a high frequency wave penetrate a conductor?

Consequently, an electromagnetic wave cannot penetrate more than a few skin-depths into a conducting medium. The skin-depth is smaller at higher frequencies. This implies that high frequency waves penetrate a shorter distance into a conductor than low frequency waves.

Why is the energy flux of a wave positive?

The fact that the mean energy flux is positive indicates that some of the wave energy is absorbed by the conductor. In fact, the absorbed energy corresponds to the energy lost due to Joule heating in the conductor. (See Exercise 10 .)

#### How is the amplitude of an electromagnetic wave decayed?

Equations (867) and (868) indicate that the amplitude of an electromagnetic wave propagating through a conductor decays exponentially on a characteristic lengthscale,, that is known as the skin-depth. Consequently, an electromagnetic wave cannot penetrate more than a few skin-depths into a conducting medium.