List seven advantages of fiber optics over electrical systems.

List seven advantages of fiber optics over electrical  systems.
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Answer :

Advantages of fiber optics are improved system performance,  immunity to electrical noise, signal security, electrical isolation,  reduced size and w
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A device that reduces the intensity of light in fiber optics communication systems. A. Reducer B. Quality factor C. Optical attenuator D. Compressor

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Last Answer : C. Optical attenuator

List the two principal optical detectors used in fiber optic systems.

Description : List the two principal optical detectors used in fiber optic systems.

Last Answer : The semiconductor positive-intrinsic-negative (PIN) photodiode and avalanche photodiode (APD).

List five precautions to take when installing fiber optic systems on board naval ships.

Description : List five precautions to take when installing fiber optic systems on board naval ships.

Last Answer : a. Never bend an optical fiber or cable at a radius of curvature less than the minimum bend radius. b. Never pull fiber optic cables tight or fasten them over or through sharp corners or ... the hardware. e. Allow only trained, authorized personnel to install or repair fiber optic systems.

Why can multimode graded-index fiber 1300-nm systems using LEDs operate over longer distances and at higher bandwidths than 850-nm systems?

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Last Answer : Longer distances and higher bandwidths are possible because fiber material losses and dispersion are significantly reduced at the 1300-nm region.

Do you have fiber optics?

Description : Do you have fiber optics?

Last Answer : No. AT&T put the fiber down on the main street, but never brought it down my street to the house. It’s supposed to be better and much faster than regular cable connections for internet.

Which telecommunications company offers the highest speed and clarity of fiber optics?

Description : Which telecommunications company offers the highest speed and clarity of fiber optics?

Last Answer : If you use in your browser the link cutt.ly/hjluNtr, you will meet Verizon FiOS & Verizon Broadband Services that offer blazing speed and crystal clarity of the 100% fiber optic Fios ... , internet and phone products that will exceed your expectations today and keep you connected down the road.

Why Fiber Optics Cable is EMI Free ?

Description : Why Fiber Optics Cable is EMI Free ?

Last Answer : Since fiber optics is made of insulating material, it is free from electromagnetic effects or EMI. The components of fiber optics are soda , boro silicate , soda lime silicate and soda alumina silicate ... and plastic is also an insulating material. As a result, fiber optics is always EMI free

Are there different types of fiber optics certification?

Description : Are there different types of fiber optics certification?

Last Answer : "There are three levels of fiber optics certification to become a certified fiber optic technician. There is a basic level, an advanced level and a specialist level." "There ... optics certification, such as protective relay maintenance, substation maintenance and an electrical safety inspector."

What can fiber optics do, and why are they so fast?

Description : What can fiber optics do, and why are they so fast?

Last Answer : you can find out over several pages just need to be able to search and you'll have everything in your hands just go ahead and nobody can stop you just Strive

Which of the following is used as an optical receiver in fiber optics communications a. APD b. Tunnel diode c. Laser diode d. LED

Description : Which of the following is used as an optical receiver in fiber optics communications a. APD b. Tunnel diode c. Laser diode d. LED

Last Answer : a. APD

A dielectric waveguide for the propagation of electromagnetic energy at light frequencies a. Stripline b. Microstrip c. Laser beam d. Fiber optics

Description : A dielectric waveguide for the propagation of electromagnetic energy at light frequencies a. Stripline b. Microstrip c. Laser beam d. Fiber optics

Last Answer : d. Fiber optics

What is the insertion loss of connector-type splices for a single mode fiber optics? a. 0.51dB b. 0.31dB c. 0.49dB d. 0.38dB

Description : What is the insertion loss of connector-type splices for a single mode fiber optics? a. 0.51dB b. 0.31dB c. 0.49dB d. 0.38dB

Last Answer : d. 0.38dB

What is the average insertion loss of fusion splice in fiber optics? a. 0.09dB b. 0.9dB c. 0.19dB d. 0.009dB

Description : What is the average insertion loss of fusion splice in fiber optics? a. 0.09dB b. 0.9dB c. 0.19dB d. 0.009dB

Last Answer : a. 0.09dB

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

Loss due to the diffraction of light when it strikes on the irregularities formed during the manufacturing process of the fiber optics. A. Absorption loss B. Attenuation C. Bending loss D. Rayleigh scattering loss

Description : Loss due to the diffraction of light when it strikes on the irregularities formed during the manufacturing process of the fiber optics. A. Absorption loss B. Attenuation C. Bending loss D. Rayleigh scattering loss

Last Answer : D. Rayleigh scattering loss

Which of the following is an advantage to using fiber optics data transmission? a. resistance to data theft b. fast data transmission rate c. low noise level d. all of above

Description : Which of the following is an advantage to using fiber optics data transmission? a. resistance to data theft b. fast data transmission rate c. low noise level d. all of above

Last Answer : fast data transmission rate

Which of hte following is considered a broad band communication channel? a. coaxial cable b. fiber optics cable c. microwave circuits d. all of above

Description : Which of hte following is considered a broad band communication channel? a. coaxial cable b. fiber optics cable c. microwave circuits d. all of above

Last Answer : all of above

Which of the following performs modulation and demodulation? a. fiber optics b. satellite c. coaxial cable d. modem e. none of the above

Description : Which of the following performs modulation and demodulation? a. fiber optics b. satellite c. coaxial cable d. modem e. none of the above

Last Answer : modem

Which of the following performs modulation and demodulation? a. fiber optics b. satellite c. coaxial cable d. Modem

Description : Which of the following performs modulation and demodulation? a. fiber optics b. satellite c. coaxial cable d. Modem

Last Answer : d. Modem

Fiber optics posses following properties __________ a) Immune electromagnetic interference b) Very less signal attenuationc) Very hard to tap d) All of the mentioned

Description : Fiber optics posses following properties __________ a) Immune electromagnetic interference b) Very less signal attenuation c) Very hard to tap d) All of the mentioned

Last Answer : d) All of the mentioned

Define fiber optics.

Description : Define fiber optics.

Last Answer : Fiber optics is the branch of optical technology concerned with the transmission of radiant power (light energy) through fibers.

He coined the term “fiber optics” in 1956. ∙ A. Kapany ∙ B. Kao ∙ C. Bockham ∙ D. Keck

Description : He coined the term “fiber optics” in 1956. ∙ A. Kapany ∙ B. Kao ∙ C. Bockham ∙ D. Keck

Last Answer : ∙ A. Kapany

Used to test a fiber optics splice ∙ a. Spectrum analyzer ∙ b. Oscilloscope ∙ c. Optical power meter ∙ d. Field strength meter

Description : Used to test a fiber optics splice ∙ a. Spectrum analyzer ∙ b. Oscilloscope ∙ c. Optical power meter ∙ d. Field strength meter

Last Answer : c. Optical power meter

Why are visible-light LEDs not used for fiber optics? ∙ a. It has high losses ∙ b. It has short wave ∙ c. It has low attenuation ∙ d. It has weak signal

Description : Why are visible-light LEDs not used for fiber optics? ∙ a. It has high losses ∙ b. It has short wave ∙ c. It has low attenuation ∙ d. It has weak signal

Last Answer : ∙ a. It has high losses

The following are the cause of light attenuation in fiber optics except ∙ a. Backscattering ∙ b. Absorption ∙ c. Refraction ∙ d. Microbends

Description : The following are the cause of light attenuation in fiber optics except ∙ a. Backscattering ∙ b. Absorption ∙ c. Refraction ∙ d. Microbends

Last Answer : c. Refraction

In fiber optics, higher-order mode refers to ∙ a. Cladding boundary at high angle ∙ b. Backscattering electromagnetic signals ∙ c. Diffracting signals ∙ d. All of these

Description : In fiber optics, higher-order mode refers to ∙ a. Cladding boundary at high angle ∙ b. Backscattering electromagnetic signals ∙ c. Diffracting signals ∙ d. All of these

Last Answer : ∙ a. Cladding boundary at high angle

Which of the following is a disadvantage for plastic fiber optics? ∙ a. Noise immunity ∙ b. Electric hazards ∙ c. Higher losses ∙ d. All of these

Description : Which of the following is a disadvantage for plastic fiber optics? ∙ a. Noise immunity ∙ b. Electric hazards ∙ c. Higher losses ∙ d. All of these

Last Answer : c. Higher losses

Infrared range for fiber optics ∙ a. 400 – 700 nm ∙ b. 700 – 1200 nm ∙ c. 300 – 2000 nm ∙ d. 400 – 7000 nm

Description : Infrared range for fiber optics ∙ a. 400 – 700 nm ∙ b. 700 – 1200 nm ∙ c. 300 – 2000 nm ∙ d. 400 – 7000 nm

Last Answer : b. 700 – 1200 nm

In fiber optics, SCS stands for ∙ a. Suppressed-clad-silicon ∙ b. Silicon base-class-silica ∙ c. Silica-clad-silica ∙ d. Serial-clad-silicon

Description : In fiber optics, SCS stands for ∙ a. Suppressed-clad-silicon ∙ b. Silicon base-class-silica ∙ c. Silica-clad-silica ∙ d. Serial-clad-silicon

Last Answer : c. Silica-clad-silica

In fiber optics, PCS stands for ∙ a. Plastic-clad-silica ∙ b. Polyethylene-clad-silica ∙ c. Personal carrier system ∙ d. Personal communication

Description : In fiber optics, PCS stands for ∙ a. Plastic-clad-silica ∙ b. Polyethylene-clad-silica ∙ c. Personal carrier system ∙ d. Personal communication

Last Answer : ∙ a. Plastic-clad-silica

Which of the following is used as an optical receiver in fiber optics communications ∙ a. APD ∙ b. Tunnel diode ∙ c. Laser diode ∙ d. LED

Description : Which of the following is used as an optical receiver in fiber optics communications ∙ a. APD ∙ b. Tunnel diode ∙ c. Laser diode ∙ d. LED

Last Answer : a. APD

A dielectric waveguide for the propagation of electromagnetic energy at light frequencies ∙ a. Stripline ∙ b. Microstrip ∙ c. Laser beam ∙ d. Fiber optics

Description : A dielectric waveguide for the propagation of electromagnetic energy at light frequencies ∙ a. Stripline ∙ b. Microstrip ∙ c. Laser beam ∙ d. Fiber optics

Last Answer : d. Fiber optics

What is the insertion loss of connector-type splices for a single mode fiber optics? ∙ a. 0.51 dB ∙ b. 0.31 dB ∙ c. 0.49 dB ∙ d. 0.38 dB

Description : What is the insertion loss of connector-type splices for a single mode fiber optics? ∙ a. 0.51 dB ∙ b. 0.31 dB ∙ c. 0.49 dB ∙ d. 0.38 dB

Last Answer : d. 0.38 dB

What is the average insertion loss of fusion splice in fiber optics? ∙ a. 0.09 dB ∙ b. 0.9 dB ∙ c. 0.19 dB ∙ d. 0.009 dB

Description : What is the average insertion loss of fusion splice in fiber optics? ∙ a. 0.09 dB ∙ b. 0.9 dB ∙ c. 0.19 dB ∙ d. 0.009 dB

Last Answer : ∙ b. 0.9 dB

He coined the term “fiber optics” in 1956.

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

Last Answer : Kapany

The principle on which fiber optics is based is A. refraction C. polarization B. Dispersion. D. Total internal reflection

Description : The principle on which fiber optics is based is A. refraction C. polarization B. Dispersion. D. Total internal reflection

Last Answer : D. Total internal reflection

In order for fiber optics to work, the incident light inside the fiber must hit the wall of the fiber at: w) 90 degrees x) 45 degrees y) an angle greater than the critical angle z) none of the above

Description : In order for fiber optics to work, the incident light inside the fiber must hit the wall of the fiber at: w) 90 degrees x) 45 degrees y) an angle greater than the critical angle z) none of the above

Last Answer : ANSWER: Y -- AN ANGLE GREATER THAN THE CRITICAL ANGLE 

Fiber optics cable used in communication, works on the principle of (1) regular reflection of light (2) diffuse reflection of light (3) refraction of light (4) total internal reflection of light

Description : Fiber optics cable used in communication, works on the principle of (1) regular reflection of light (2) diffuse reflection of light (3) refraction of light (4) total internal reflection of light

Last Answer : total internal reflection of light

Which part of a fiber optic transmitter converts the processed electrical signal to an optical signal?

Description : Which part of a fiber optic transmitter converts the processed electrical signal to an optical signal?

Last Answer : The optical source.

Which types of LEDs are the preferred optical sources for short-distance, low-data-rate fiber optic systems?

Description : Which types of LEDs are the preferred optical sources for short-distance, low-data-rate fiber optic systems?

Last Answer : SLEDs and ELEDs.

Why is detector saturation not generally a problem in fiber optic communications systems?

Description : Why is detector saturation not generally a problem in fiber optic communications systems?

Last Answer : Because fiber optic communications systems operate at low optical power levels.

What type of modulation do most analog fiber optic communications systems use?

Description : What type of modulation do most analog fiber optic communications systems use?

Last Answer : Intensity modulation.

Modal dispersion affects the bandwidth of multimode systems. It is essential to adjust what three fiber properties to maximize system bandwidth?

Description : Modal dispersion affects the bandwidth of multimode systems. It is essential to adjust what three fiber properties to maximize system bandwidth?

Last Answer : Core diameter, NA, and index profile properties.

In fiber optic systems, designers consider what trade-offs?

Description : In fiber optic systems, designers consider what trade-offs?

Last Answer : Trade-offs in fiber properties, types of connections, optical sources, and detector types in military and subscriber-loop applications.

List seven properties cable jackets should have.

Description : List seven properties cable jackets should have.

Last Answer : Low smoke generation, low toxicity, low halogen content, flame retardance, fluid resistance, high abrasion resistance, and stable performance over temperature.

List six types of fiber mismatches.

Description : List six types of fiber mismatches.

Last Answer : Core diameter mismatch, cladding diameter mismatch, core ellipticity, core and cladding concentricity differences, NA mismatch, and refractive index profile differences.

List the three basic errors that occur during fiber alignment.

Description : List the three basic errors that occur during fiber alignment.

Last Answer : Fiber separation (longitudinal misalignment), lateral misalignment, and angular misalignment.

List five common fiber optic transmitter packages.

Description : List five common fiber optic transmitter packages.

Last Answer : TO can, DIP, butterfly lead microcircuits, circuit cards, and stand-alone optical fiber converters.

List the types of fiber optic components considered part of a fiber optic cable plant.

Description : List the types of fiber optic components considered part of a fiber optic cable plant.

Last Answer : Optical fiber cables, connectors, splices, mounting panels, jumper cables, and other passive components.