Where are core planes used?

Where are core planes used?
by

1 Answer

Answer :

In primary storage.
by

Related questions

How are core planes formed?

Description : How are core planes formed?

Last Answer : Magnetic cores are strung together on a screen of wire.

How is the effect of load flux on control flux eliminated in a saturable-core reactor?

Description : How is the effect of load flux on control flux eliminated in a saturable-core reactor?

Last Answer : use two load windings whose flux effects cancel in the core of the reactor or use two load windings on two toroidal cores so that load flux always aids control flux in one core and opposes control flux in the other core.

If two coils are wound on a single iron core, what will a change in current in one coil cause in the other coil?

Description : If two coils are wound on a single iron core, what will a change in current in one coil cause in the other coil?

Last Answer : A change in inductance.

What happens to the permeability of an iron core as the current increases from the operating point to a large value?

Description : What happens to the permeability of an iron core as the current increases from the operating point to a large value?

Last Answer : Permeability decreases

If the permeability of the core of a coil increases, what happens to (a) inductance and (b) true power in the circuit?

Description : If the permeability of the core of a coil increases, what happens to (a) inductance and (b) true power in the circuit?

Last Answer : (a) Inductance increases; (b) true power decreases.

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.

Give two reasons why optical fiber manufacturers depart from the traditional circular core and cladding, low-loss glass fiber design?

Description : Give two reasons why optical fiber manufacturers depart from the traditional circular core and cladding, low-loss glass fiber design?

Last Answer : To increase performance and reduce cost

In single mode operation, the value of the normalized frequency (V) should remain near the 2.405 level. If the value of V is less than 1, do single mode fibers carry a majority of the power in the core or cladding material?

Description : In single mode operation, the value of the normalized frequency (V) should remain near the 2.405 level. If the value of V is less than 1, do single mode fibers carry a majority of the power in the core or cladding material?

Last Answer : Cladding material.

How are source-to-fiber coupling and microbending and macrobending losses affected by changes in core diameter and D?

Description : How are source-to-fiber coupling and microbending and macrobending losses affected by changes in core diameter and D?

Last Answer : Coupling efficiency increases with both core diameter and D, while bending losses increase directly with core diameter and inversely with D.

Multimode step-index fibers have relatively large core diameters and large numerical apertures. These provide what benefit?

Description : Multimode step-index fibers have relatively large core diameters and large numerical apertures. These provide what benefit?

Last Answer : Make it easier to couple light from a light-emitting diode (LED) into the fiber.

In multimode step-index fibers, the majority of light propagates in the fiber core for what reason?

Description : In multimode step-index fibers, the majority of light propagates in the fiber core for what reason?

Last Answer : Most modes in multimode step-index fibers propagate far from cutoff.

Multimode step-index fibers have a core and cladding of constant refractive index n1 and n2, respectively. Which refractive index, the core or cladding, is lower?

Description : Multimode step-index fibers have a core and cladding of constant refractive index n1 and n2, respectively. Which refractive index, the core or cladding, is lower?

Last Answer : Cladding.

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.

The refractive index of a fiber core is uniform and undergoes an abrupt change at the corecladding boundary. Is this fiber a step-index or graded-index fiber?

Description : The refractive index of a fiber core is uniform and undergoes an abrupt change at the corecladding boundary. Is this fiber a step-index or graded-index fiber?

Last Answer : graded-index fiber?

Magnetic core storage is made up of what?

Description : Magnetic core storage is made up of what?

Last Answer : Tiny doughnut-shaped rings made of ferrite iron.

How is the core diameter defined?

Description : How is the core diameter defined?

Last Answer : The core diameter is defined as the diameter at which the near field intensity is 2.5 percent of the maximum intensity.

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

A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?

Description : A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?

Last Answer : Second-order mode.

optical launch conditions exists if the launch spot size and angular distribution are larger than that of the fiber core?

Description : optical launch conditions exists if the launch spot size and angular distribution are larger than that of the fiber core?

Last Answer : Overfilled.

Which dispersion mechanism (material or waveguide) is a function of the size of the fiber's core relative to the wavelength of operation?

Description : Which dispersion mechanism (material or waveguide) is a function of the size of the fiber's core relative to the wavelength of operation?

Last Answer : Waveguide dispersion.

The number of modes propagated in a multimode fiber depends on core size and numerical aperture (NA). If the core size and the NA decrease, will the number of modes propagated increase or decrease?

Description : The number of modes propagated in a multimode fiber depends on core size and numerical aperture (NA). If the core size and the NA decrease, will the number of modes propagated increase or decrease?

Last Answer : Decrease.

The value of the normalized frequency parameter (V) relates the core size with mode propagation. When single mode fibers propagate only the fundamental mode, what is the value of V?

Description : The value of the normalized frequency parameter (V) relates the core size with mode propagation. When single mode fibers propagate only the fundamental mode, what is the value of V?

Last Answer : V≤2.405.

As the core and cladding modes travel along the fiber, mode coupling occurs. What is mode coupling?

Description : As the core and cladding modes travel along the fiber, mode coupling occurs. What is mode coupling?

Last Answer : Mode coupling is the exchange of power between two modes.

A light ray incident on the optical fiber core is propagated along the fiber. Is the angle of incidence of the light ray entering the fiber larger or smaller than the acceptance angle

Description : A light ray incident on the optical fiber core is propagated along the fiber. Is the angle of incidence of the light ray entering the fiber larger or smaller than the acceptance angle

Last Answer : Smaller.

What type of core produces the greatest inductance?

Description : What type of core produces the greatest inductance?

Last Answer : Magnetic-metal core.

What anti-theft equipment is on planes?

Description : What anti-theft equipment is on planes?

Last Answer : Thieves don’t know how to release the air brakes.

Do jet planes (757, for example) use more or less fuel in cold weather?

Description : Do jet planes (757, for example) use more or less fuel in cold weather?

Last Answer : I have no certain knowledge, but I'll offer a hypothesis: I would expect that the plane's fuel consumption at takeoff and landing (can't forget that landing also requires fuel) in cold weather ... seems to me that the plane's wing surfaces would be more efficient then, leading to lower consumption.

I was wondering about the guys who flew the planes into the towers on 9/11. Did they ever figure out exactly who they were?

Description : I was wondering about the guys who flew the planes into the towers on 9/11. Did they ever figure out exactly who they were?

Last Answer : They know who they were, and where the were from, and what kind of training they had.

Why do airlines retire the flight numbers of planes that have crashed? Is that just superstition?

Description : Why do airlines retire the flight numbers of planes that have crashed? Is that just superstition?

Last Answer : Probably has to do with inventory, accounting and other record keeping.

Two Russian planes down now, is Putin worried yet?

Description : Two Russian planes down now, is Putin worried yet?

Last Answer : Russia is tough guy, so should be having no problem dealing with IS.

What are the airlines doing with the partially empty cargo holds on their planes?

Description : What are the airlines doing with the partially empty cargo holds on their planes?

Last Answer : If they reduce the size of carry-on, many people will still have to check bags.

Is the number "7" particularly unlucky when it comes to planes?

Description : Is the number "7" particularly unlucky when it comes to planes?

Last Answer : ZOMG! THEY ALSO ALL HAVE THE WORD “AIRLINES”. WE MUST DO SOMETHING!

Nook App on my tablet seem utterly useless on planes. What am I missing?

Description : Nook App on my tablet seem utterly useless on planes. What am I missing?

Last Answer : I don't know about Nook but it might work the same as the Kindle app on the iPad does. For some reason, when you buy a book it is stored in the iCloud and you have to click on something to download it to ... it is in the cloud, you can't. Can you check your Nook and see if it works the same way?

Jews changing planes in Arab countries? How does this work?

Description : Jews changing planes in Arab countries? How does this work?

Last Answer : answer:Pure speculation on my part: A traveling Israeli would avoid stopping in an Arab country that didn't allow Israelis. And, if they did, they would only be transiting at the airport, not passing ... message on Israeli stamps: some say it is grounds for denial, others say it does not matter.

How did air control during 9/11 not prevent the planes going into the towers?

Description : How did air control during 9/11 not prevent the planes going into the towers?

Last Answer : What could they have done? I don't think they could have gotten fighter planes into action within the time they realized what was going on. And even if they could have, were they going to shoot ... realise what was happening I think they were in that proverbial spot between a rock and a hard place.

Do boats and planes regulary travel through the bermuda triangle or is it avoided?

Description : Do boats and planes regulary travel through the bermuda triangle or is it avoided?

Last Answer : Ship owners don’t care much about the sailor’s superstitions, ships and planes cross the Bermuda triangle every day.

I need makes and models of private planes of the 70's and 80's please, and thank you!

Description : I need makes and models of private planes of the 70's and 80's please, and thank you!

Last Answer : Lear Jet.

Do airlines ever sanitize their planes?

Description : Do airlines ever sanitize their planes?

Last Answer : That is why it is highly recommended to take your own disinfectant wipes on board and wipe down the seat arms, the tray table, and anything else you might touch. Airplanes are given the same clean up a theater gets between movie showings.

In a fictional world where there are no cars and planes but humans can ride any animal, which ones would you choose?

Description : In a fictional world where there are no cars and planes but humans can ride any animal, which ones would you choose?

Last Answer : I think a llama or a lion ooooh how about Aslan from Narnia!!

Should there be wider seats in planes?

Description : Should there be wider seats in planes?

Last Answer : answer:Good question, and I'm not sure I have much to add other than to anticipate that some people might try to elaborate on some of the terms you have used. Should : Some ... may be somewhat different than public transportation which might have to deal with laws surrounding disabled access, etc.

Do geomagnetic storms affect planes?

Description : Do geomagnetic storms affect planes?

Last Answer : answer:“and the radiation from the flares can give passengers in airplanes a dose of radiation equivalent to a medical X-ray.” Source

Why do planes feel like they move so slowly?

Description : Why do planes feel like they move so slowly?

Last Answer : answer:relativity if you were flying 10 feet from the ground, it would seem freaky fast. The earth is rolling around the sun at 60,000 mph… yet it takes an entire year to do it once. Speed is relative.

Wouldn't it be safer if all commercial planes had ejection seats like fighter jets?

Description : Wouldn't it be safer if all commercial planes had ejection seats like fighter jets?

Last Answer : answer:1) Cost. Ejection seats are expensive. 2) Not all planes have removable tops. 3) It takes training to be able to use an ejection seat effectively. 4) Safety. The G-forces exerted by ejection seats would hurt or kill infirm, small, or weak people.

Why are propeller planes so loud if they're so far away?

Description : Why are propeller planes so loud if they're so far away?

Last Answer : Most of the time propeller planes do not have exhaust mufflers. this makes the engine extremely loud. and, since the airplane is on the ground, the earth acts as bouncing board for the airplanes loud ... are not this loud, since they are away from you, away from the ground and in open space.

Why are business-class seats on planes so expensive, yet companies yet business discounts on hotel rooms?

Description : Why are business-class seats on planes so expensive, yet companies yet business discounts on hotel rooms?

Last Answer : answer:Business discounts on hotel rooms = generally the smaller rooms with less ameneties (and generally a hotel room is a hotel room) Business class seats on a plane = less density, cost more per passenger- ... first on most if not all your flights. So the discounts do exist, just not for you =)

What would you do if the pilots of the plane are dead and the plane's locked in a death spiral down to the middle of the pacific with it's engines detached?

Description : What would you do if the pilots of the plane are dead and the plane's locked in a death spiral down to the middle of the pacific with it's engines detached?

Last Answer : I suppose that I would die, horribly.

Do hurricane hunter planes fly through or come in from above?

Description : Do hurricane hunter planes fly through or come in from above?

Last Answer : Through.

Do robotic planes and other things that kill at a distance make it too easy to kill?

Description : Do robotic planes and other things that kill at a distance make it too easy to kill?

Last Answer : They may make it too difficult to avoid “collateral damage” (that is MilSpeak for dead civilians.)

How much money does it take a canidate to possibly become president. I mean everything from start to finish, tv ads, staff, cars, planes, protection, hotels on and on and on. Could someone tell me the total cost of all this for just one politician?

Description : How much money does it take a canidate to possibly become president. I mean everything from start to finish, tv ads, staff, cars, planes, protection, hotels on and on and on. Could someone tell me the total cost of all this for just one politician?

Last Answer : Around $500 million USD.

Are manicure kits and nailpolish allowed on planes?

Description : Are manicure kits and nailpolish allowed on planes?

Last Answer : If it’s in your checked baggage, the nail kit will be fine. I’m fairly certain that they aren’t allowed in carry-on baggage though.