The term single mode and multimode are best described as:

The term single mode and multimode are  best described as:
by

1 Answer

Answer :

the number of  wavelengths each fiber can support
by

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The term single mode and multimode are best described as ∙ A. a number of fibers placed into fiber-optic cable ∙ B. the number of voice channels each fiber can support ∙ C. the number of wavelengths each fiber can support ∙ D. the index number

Description : The term single mode and multimode are best described as ∙ A. a number of fibers placed into fiber-optic cable ∙ B. the number of voice channels each fiber can support ∙ C. the number of wavelengths each fiber can support ∙ D. the index number

Last Answer : C. the number of wavelengths each fiber can support

The term responsivity as it applies to a light detector is best described as.

Description : The term responsivity as it applies to a light detector is best described as.

Last Answer : the ratio of the diode output current to the input optical power

Single-mode step-index cable has a core diameter in the range of

Description : Single-mode step-index cable has a core diameter in the range of

Last Answer : 2 to 15 micrometer

Define the term multimode fiber,step index fiber,Graded index fiber and single mode fiber.

Description : Define the term multimode fiber,step index fiber,Graded index fiber and single mode fiber. 

Last Answer : Multimode fiber: A fiber having core radius large,supports hundreads of modes & lesser bandwidth also suitable for short distance communication is called Multi mode fiber.  Step index ... & larger bandwidth also suitable for long distance communication is called single mode fiber.

EMD is best described by which statement?

Description : EMD is best described by which statement?

Last Answer : . 70 percent of the core diameter and 70% of the fiber NA should be filled with light.

The service are in standard AM broadcast is described as ______ if there is no fading of signal.

Description : The service are in standard AM broadcast is described as ______ if there is no fading of signal.

Last Answer : Primary

The service are in standard AM broadcast is described as ______ if there is no fading of signal.

Description : The service are in standard AM broadcast is described as ______ if there is no fading of signal.

Last Answer : Primary

A mode where the entire magnetic field is in the transverse plane and has no portion parallel to the length axis.

Description : A mode where the entire magnetic field is in the transverse plane and has no portion parallel to the length axis.

Last Answer : TM mode

What colors on an optic connector is the multimode, and which is the single mode?

Description : What colors on an optic connector is the multimode, and which is the single mode?

Last Answer : There is a major difference in colors that separate a singlemode and a multimode. Single mode will be yellow or white. Multimode will be tan or black.

Which type of fiber-optic cable is the best for very high speed data? a. Single-mode step-index b. Multimode step-index c. Single-mode graded-index d. Multimode graded-index

Description : Which type of fiber-optic cable is the best for very high speed data? a. Single-mode step-index b. Multimode step-index c. Single-mode graded-index d. Multimode graded-index

Last Answer : a. Single-mode step-index

Which type of fiber optic cable is most widely used? a. Single-mode step-index b. Multimode step-index c. Single-mode graded-index d. Multimode graded-index

Description : Which type of fiber optic cable is most widely used? a. Single-mode step-index b. Multimode step-index c. Single-mode graded-index d. Multimode graded-index

Last Answer : a. Single-mode step-index

Which of the following is not a common type of fiber-optic cable? a. Single-mode step-index b. Multimode graded-index c. Single-mode graded-index d. Multimode step-index

Description : Which of the following is not a common type of fiber-optic cable? a. Single-mode step-index b. Multimode graded-index c. Single-mode graded-index d. Multimode step-index

Last Answer : c. Single-mode graded-index

What type of fiber has the highest modal dispersion? a. Step-index multimode b. Graded index multimode c. Step-index single mode d. Graded index mode

Description : What type of fiber has the highest modal dispersion? a. Step-index multimode b. Graded index multimode c. Step-index single mode d. Graded index mode

Last Answer : a. Step-index multimode

One of the following is among the types of fiber optics used in electronics communication. A. Step-index multimode B. Graded-index multimode C. Semi-graded multimode D. Single mode

Description : One of the following is among the types of fiber optics used in electronics communication. A. Step-index multimode B. Graded-index multimode C. Semi-graded multimode D. Single mode

Last Answer : C. Semi-graded multimode

Type of fiber that has the highest modal dispersion A. Step-index multimode B. Step-index single mode C. Graded index mode D. Graded index multimode

Description : Type of fiber that has the highest modal dispersion A. Step-index multimode B. Step-index single mode C. Graded index mode D. Graded index multimode

Last Answer : A. Step-index multimode

Which are more sensitive to alignment errors, single mode or multimode fibers?

Description : Which are more sensitive to alignment errors, single mode or multimode fibers?

Last Answer : Single mode.

Do small core distortions formed by arc fusion's self alignment mechanism have more of an affect on light propagating through multimode or single mode fibers?

Description : Do small core distortions formed by arc fusion's self alignment mechanism have more of an affect on light propagating through multimode or single mode fibers?

Last Answer : Single mode fibers.

Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

Last Answer : LDs.

What are the two methods used by fiber manufacturers to fabricate multimode and single mode glass fibers?

Description : What are the two methods used by fiber manufacturers to fabricate multimode and single mode glass fibers?

Last Answer : Vapor phase oxidation and direct-melt process.

List the standard core sizes for multimode step-index, multimode graded-index, and single mode fibers

Description : List the standard core sizes for multimode step-index, multimode graded-index, and single mode fibers

Last Answer : Multimode step-index fibers: 50µm and 100µm. Multimode graded-index fibers: 50µm, 62.5µm, 85µm, and 100µm. Single mode fibers: between 8µm and 10µm.

Explain the difference between multimode and single mode core-cladding concentricity errors.

Description : Explain the difference between multimode and single mode core-cladding concentricity errors.

Last Answer : Multimode core-cladding concentricity error is the distance between the core and cladding centers expressed as a percentage of core diameter while the single mode core-cladding concentricity error is just the distance between the core and cladding centers

Which type of optical fiber (multimode or single mode) tends to have lower loss and produces less signal distortion?

Description : Which type of optical fiber (multimode or single mode) tends to have lower loss and produces less signal distortion?

Last Answer : Single mode fiber.

Which type of fiber-optic cable is the most widely used? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded index ∙ D. multimode graded index

Description : Which type of fiber-optic cable is the most widely used? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded index ∙ D. multimode graded index

Last Answer : B. multimode step-index

Which of the following is not a common type of fiber-optic cable? ∙ A. single-mode step-index ∙ B. multimode graded-index ∙ C. single-mode graded-index ∙ D. multimode step-index

Description : Which of the following is not a common type of fiber-optic cable? ∙ A. single-mode step-index ∙ B. multimode graded-index ∙ C. single-mode graded-index ∙ D. multimode step-index

Last Answer : . single-mode graded-index

Which type of fiber optic cable is best for very high speed data? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Description : Which type of fiber optic cable is best for very high speed data? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Last Answer : A. single-mode step-index

Which type of fiber-optic cable has the least modal dispersion? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Description : Which type of fiber-optic cable has the least modal dispersion? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Last Answer : A. single-mode step-index

A type of index of an optical fiber that has no cladding and whose central core has a non-uniform refractive index. ∙ A. graded index ∙ B. multimode ∙ C. single mode ∙ D. step-index

Description : A type of index of an optical fiber that has no cladding and whose central core has a non-uniform refractive index. ∙ A. graded index ∙ B. multimode ∙ C. single mode ∙ D. step-index

Last Answer : ∙ A. graded index

A type of index profile of an optical fiber that has a central core and outside cladding with a uniform refractive index ∙ A. multimode ∙ B. graded index ∙ C. step-index ∙ D. single mode

Description : A type of index profile of an optical fiber that has a central core and outside cladding with a uniform refractive index ∙ A. multimode ∙ B. graded index ∙ C. step-index ∙ D. single mode

Last Answer : ∙ C. step-index

More than one path for light rays to take down the fiber ∙ A. Multimode ∙ B. Step-index ∙ C. Single mode

Description : More than one path for light rays to take down the fiber ∙ A. Multimode ∙ B. Step-index ∙ C. Single mode

Last Answer : A. Multimode

Only one path for light rays to take down the fiber ∙ A. Multimode ∙ B. Step-index ∙ C. Single mode ∙ D. Graded index

Description : Only one path for light rays to take down the fiber ∙ A. Multimode ∙ B. Step-index ∙ C. Single mode ∙ D. Graded index

Last Answer : C. Single mode

Which type of fiber-optic cable has the least modal dispersion? ∙ a. Single mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Description : Which type of fiber-optic cable has the least modal dispersion? ∙ a. Single mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Last Answer : ∙ a. Single mode step-index

Which type of fiber-optic cable is the best for very high speed data? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Description : Which type of fiber-optic cable is the best for very high speed data? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Last Answer : a. Single-mode step-index

Which type of fiber optic cable is most widely used? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Description : Which type of fiber optic cable is most widely used? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Last Answer : a. Single-mode step-index

Which of the following is not a common type of fiber-optic cable? ∙ a. Single-mode step-index ∙ b. Multimode graded-index ∙ c. Single-mode graded-index ∙ d. Multimode step-index

Description : Which of the following is not a common type of fiber-optic cable? ∙ a. Single-mode step-index ∙ b. Multimode graded-index ∙ c. Single-mode graded-index ∙ d. Multimode step-index

Last Answer : ∙ a. Single-mode step-index

What type of fiber has the highest modal dispersion? ∙ a. Step-index multimode ∙ b. Graded index multimode ∙ c. Step-index single mode ∙ d. Graded index mode

Description : What type of fiber has the highest modal dispersion? ∙ a. Step-index multimode ∙ b. Graded index multimode ∙ c. Step-index single mode ∙ d. Graded index mode

Last Answer : a. Step-index multimode

A single fiber can handle as many voice channels as.

Description : A single fiber can handle as many voice channels as.

Last Answer : a 1500-pair cable The term power budgeting refers to: Ans. the total power available minus the attenuation losses

He coined the term “fiber optics” in 1956.

Description : He coined the term “fiber optics” in 1956.

Last Answer : Kapany

The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Description : The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Last Answer : is horizontal

It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power

Description : It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power

Last Answer : directive gain

The property of interchangeability for the transmitting and receiving operations is known as ____

Description : The property of interchangeability for the transmitting and receiving operations is known as ____

Last Answer : reciprocity

The fields surrounding the antenna do not collapse their energy back into the antenna but rather radiate it out in space

Description : The fields surrounding the antenna do not collapse their energy back into the antenna but rather radiate it out in space

Last Answer : radiation field

It is the ratio of the radiated to the reflected energy:

Description : It is the ratio of the radiated to the reflected energy:

Last Answer : Radiation efficiency

It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates

Description : It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates

Last Answer : . Radiation resistance

Plots of field strength or power density with respect to the value at a reference point.

Description : Plots of field strength or power density with respect to the value at a reference point.

Last Answer : relative radiation pattern

The radiation pattern plotted in terms of electric field strength or power density

Description : The radiation pattern plotted in terms of electric field strength or power density

Last Answer : absolute radiation pattern

The line bisecting the major lobe, or pointing from the center of the antenna in the direction of maximum radiation is called _____

Description : The line bisecting the major lobe, or pointing from the center of the antenna in the direction of maximum radiation is called _____

Last Answer : line of shoot

A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated

Description : A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated

Last Answer : waveguide

If energy is applied at the geometrical center of antenna, the antenna is said to be ___

Description : If energy is applied at the geometrical center of antenna, the antenna is said to be ___

Last Answer : center-fed

The radiation pattern of collinear and a broadside antenna is __

Description : The radiation pattern of collinear and a broadside antenna is __

Last Answer : bidirectional

Hertz antenna are predominantly used with frequencies above

Description : Hertz antenna are predominantly used with frequencies above

Last Answer : 2MHz