bulb. the heating element (sometimes also acting as a cathode) of a vacuum tube, resembling the filament in an incandescent bulb. Copyright © 2011. botany The stalk of a stamen in a flower, supporting the anther. Any of the dark, sinuous lines visible through certain filters on the disk of the Sun. Tungsten has been applied in the manufacture of filament electric lamps. Filament could mean: In physics and electrical engineering: Electrical filament; Current filament; Filament propagation, diffractionless propagation of a light beam; In astronomy: Galaxy filament; Solar filament, a structure in a solar corona; Birkeland current; In biology: Protein filament; Filamentation, a long chain of cells In a tungsten filament lamp the energy is transferred in the resistance wire which makes up the filament. When you connect the A battery, the filament of the tube is heated to release negatively charged electrons. a solar prominence, as viewed within the sun's limb. Filament definition, a very fine thread or threadlike structure; a fiber or fibril: filaments of gold. A fine or very thin thread or fiber: filaments of cloth; filaments of flax. The bulb has a spirally wound wire, filament, inside it. The American Heritage® Science Dictionary This property forms the basis of the fields of optics and optical communications and a myriad of related technologies, both mature and emerging. Namely I am talking right now about the âTone Mappingâ and âEnvironmentâ settings in the âRender Settingsâ tab. In physics, resistance is a measure of the tendency of a material to resist the flow of an electrical current. A chainlike series of cells, as in many algae. A fine wire that gives off radiation when an electric current is passed through it, usually to provide light, as in an incandescent bulb, or to provide heat, as in a vacuum tube. A wire that acts as the cathode in some electron tubes when it is heated with an electric current. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition dimmer. The cathode of a thermionic tube, usually in the form of a wire, which may be electrically heated. Define filament. Physics Secondary School What is the meaning of resistance wires or filament in an electrical appliance? An electric cell is connected to the terminals of the bulb. The stalk of a stamen bearing the anther. 7.6 A, is well known and is considered in detail by many standard fluid mechanics textbooks. Filaments are solar prominences that are viewed against the solar surface rather than being silhouetted along the outer edges of the disk. This is the British English definition of filament. Each magnificent wing is covered in billions of tiny filaments, each a tenth of the width of a human hair. Help with GCSE Physics, AQA syllabus A AS Level and A2 Level physics. 1 See answer shivaninandani4312 is waiting for your help. Knowledge of quantum physics brings a sense of wonder to the operation of even something as simple as an incandescent light bulb. We can rearrange the equation [latex]R=\frac{\rho L}{A}\\[/latex] to find the cross-sectional area A of the filament from the given information. It is dependent on the nature of the material, its thickness and length, and on temperature. As for mirrors, ray tracing can accurately describe the operation of a lens. physics the thin wire inside a light bulb. Learn more. Cephalic shield continuous with neck; twelve to fourteen stomachal plates; a posterior pallial filament passing through a notch in shell. A slender or threadlike structure or part, especially: a. Cambridge Dictionary +Plus A filament is topped by the anther. When an electrical current encounters resistance, part of its energy is converted into heat, an⦠The idea of a vortex flow, Fig. Some cathodes have two filaments for broad and fine focusingFocusing cup 1. solar filament galaxy filament the Ursa Major Filament. Denoting the cross-section a of a filament by dS and its mass by dm, the quantity wdS/dm is called the vorticity; this is the same at all points of a filament, and it does not change during the motion; and the vorticity is given by w cos edS/dm, if dS is the oblique section of which the normal makes an angle e with the filament, while the aggregate vorticity of a mass M inside a surface S is M - l fw cos edS. ... [MKA99], meaning the spectral ⦠All rights reserved. Learn more. The filament is often made of the metal tungsten that melts at >3400 o C, and glows brightly at 2500 o C, but it The part of a stamen that supports the anther of a flower; the stalk of a stamen. A fine or slender thread, wire, or fiber. Made of thin (0.2 mm) tungsten wire because tungsten: 1. has a high atomic number (A 184, Z 74) 2. is a good thermionic emitter (good at emitting electrons) 3. can be manufactured into a thin wire 4. has a very high melting temperature (3422°c) 2. That is all right, but while they were away the grid got some electrons from the filament to take their places. Figure 2 shows the free-body diagram of the reel as it slows down from rolling resistance. The fine metal wire in a lightbulb, which becomes incandescent when heated by an electric current. sagging definition: 1. present participle of sag 2. present participle of sag 3. lower or less strong: . Because the filament, usually made of tungsten, would burn from the heat, the bulb is filled with a nonreactive gas, such as argon, which protects the wire from burning. The main difference between filament LEDs and regular LEDs is in the placement and number of individual LEDs in each bulb. The teardrop elongates until a tail of ink, called a filament, stretches away like the tail of a comet. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Giant lasers help re-create supernovasâ explosive, mysterious physics, Meet the disk-shaped halo of hot gas you currently live in, Imitation Is the Sincerest Form of Environmentalism - Issue 90: Something Green, The Hidden Magnetic Universe Begins to Come Into View, Things a Boy Should Know About Electricity. Figure 1 - Empty 3D filament reel with PocketLab attached Physics Primmer on Rolling Resistance. Poulami410 Poulami410 Answer: What Is An Em Dash And How Do You Use It? The Dictionary.com Word Of The Year For 2020 Is â¦. 2. A bulb has two terminals. It may be in the halos around galaxies or, as another paper recently suggested, in filaments stretching between galaxies. We Asked, You Answered. A wire that acts as the cathode in some electron tubes when it is heated with an electric current. The American Heritage® Stedman's Medical Dictionary How to use filament in a sentence. The part of a stamen that supports the anther of a flower; the stalk of a stamen. Circuit components are the physical entity in an electronic system. A protagonist is the main character of a story, or the lead. Published by Houghton Mifflin Company. The concept of the vortex filament and the vortex sheet is central to the understanding of many mathematical models of propeller action. Can you identify the antonym of âprotagonist,â or the opposite of a hero or heroine? Technological applications based on the manipulations of light include lasers, holography, and fibre-optic telecommunications systems.. All the other settings are the same for both Filament and Iray.Meaning that if you change something for one â the other will receive the changes as well. (Änâ²kÉn-dÄsâ²Ént) A lamp that produces light by heating up a filament of wire inside a bulb with an electric current. a very fine thread or threadlike structure; a fiber or fibril: a single fibril of natural or synthetic textile fiber, of indefinite length, sometimes several miles long. the stalklike portion of a stamen, supporting the anther. Any of various long thin celestial objects or phenomena, such as a solar filament. Any of the dark, sinuous lines visible through certain filters on the disk of the Sun. A filament lamp is a common type of light bulb. Two thick wires at the ends support this filament. The team actually gathered data from the filament back in 2014 during a single eight-hour stretch, but the data sat waiting as the radio astronomy community spent years figuring out how to improve the calibration of LOFARâs measurements. Add your answer and earn points. It contains a thin coil of wire called the filament. Origin and Meaning of Filament Submit the origin and/or meaning of Filament to us below. Describe 2020 In Just One Word? A long thin cellular structure characteristic of many fungi, usually having multiple nuclei and often divided by septa. The slim part of the stamen that supports the anther is an example of a filament. Definition and synonyms of filament from the online English dictionary from Macmillan Education. The stalk that bears the anther in the stamen of a flower. The filament is therefor hot at both the right side of the graph and at the left side. Filament 1. A slender or threadlike structure or part, especially: A fine wire that is heated electrically to produce light in an incandescent lamp. Ray tracing for thin lenses is very similar to the technique we used with spherical mirrors. Light transmits spatial and temporal information. physics, astronomy A massive, thread -like structure, such as those gaseous ones which extend outward from the surface of the sun, or such as those (much larger) ones which form the boundaries between large voids in the universe. Find my revision workbooks here: https://www.freesciencelessons.co.uk/workbooksIn this video, we look at the resistance of a filament lamp. Each palpacle is a tactile filament, very extensile, without accessory filaments or nematocysts. Learn the components of a basic electrical circuit like Cell, Switch, Bulbs, Connecting Wires with detailed diagrams at BYJU'S. We discuss filament characteristics, blackbody physics, mechanical bulb manufacture, and halogen technology. n. 1. This heats up when an electric current passes through it, and produces light as a result. The definition of a filament is a slender fiber or thread. Filaments are solar prominences that are viewed against the solar surface rather than being silhouetted along the outer edges of the disk. The B voltage gives the plate a positive charge to attract electrons from the filament. According to the theory behind the Weibel instability, the two sets of plasma break into filaments as they stream by one another, like two hands with fingers interlaced. The definition of a filament is a slender fiber or thread. The filament in the bulb glows and emits light. Copyright © 2020 LoveToKnow. Ray Tracing and Thin Lenses. A car headlight filament is made of tungsten and has a cold resistance of 0.350 Ω. Dictionary.com Unabridged The filament of a flower is one of the male reproductive parts of the plant. âHaveâ vs. âHasâ: When To Use Each One. ... Ohm's law states that V and I are directly proportional, meaning there is a constant factor of proportionality. You will get the most concentrated thermal energy directly in front of the mirror and 3.00 m away from it. The Peopleâs Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! An electric bulb draws a current of 8A and works on 250 volt on the average 8 hours a day find the power consumed by co. consumed by the bulb and find if the electric distribution company is the meaning Q8. Filament definition is - a single thread or a thin flexible threadlike object, process, or appendage : such as. There is no oxygen to combine with the filament; so the lamp does not burn out. a long slender cell or series of attached cells, as in some algae and fungi. If the filament is a cylinder 4.00 cm long (it may be coiled to save space), what is its diameter? While regular LEDs might use one large LED or a group of LEDs packed tightly into a small space, filament LEDs spread the diodes along several different lines or âfilamentsâ. Conductor The movement of electron gives rise to the flow of current through metals âAffectâ vs. âEffectâ: Use The Correct Word Every Time. Give Dan Rhodes a small sample of a novel polymer, and heâll figure out how to extrude it into a filament, and how to fine-tune the process to see whether the material can be made to work in high-speed manufacturing. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Many tubes also have small structures, known as grids, between the filament and the plate. the thin wire, usually tungsten, inside a light bulb that emits light when heated to incandescence by an electric current, a high-resistance wire or ribbon, forming the cathode in some valves, a single strand of a natural or synthetic fibre; fibril, any of the long slender chains of cells into which some algae and fungi are divided, any slender structure or part, such as the tail of a spermatozoon; filum, a long structure of relatively cool material in the solar corona. Does in a filament lamp still has resistance when no current flows? The slim part of the stamen that supports the anther is an example of a filament. Electrons travel through the partial vacuum inside the tube, flowing from the filament to the positively charged plate. This is a case 1 image (d o > f and f positive), consistent with the fact that a real image is formed. In short, the little chisel becomes in his fingers a painters brush, and when it is remembered that, the basis upon which he works being simply a thread of silk, his hand must be trained to such delicacy of muscular effort as to be capable of arresting the edge of the knile at varying depths within the diameter of the tiny filament, the difficulty of the achievement will be understood. Strategy. filament definition: 1. a thin thread or fibre of natural or artificial material: 2. a thin wire, especially one thatâ¦. Together the anther and filament make up the flower's stamen. Ray tracing is the technique of determining or following (tracing) the paths taken by light rays. The filament bulb is just one of many examples were energy is transferred usefully, BUT there is always heat energy lost to the thermal energy store of the device and the surroundings. filament synonyms, filament pronunciation, filament translation, English dictionary definition of filament. See more. The filament of an electric lamp is very fine and therefore offers considerable resistance. âMonolithâ vs. âMegalithâ: Whatâs The Difference? It is written and maintained by a fully qualified British Physics Teacher. A fine wire that gives off radiation when an electric current is passed through it, usually to provide light, as in an incandescent bulb, or to provide heat, as in a vacuum tube. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins The filament can be instantly burned out by passing a current of too high pressure through it. Note that the object (the filament) is farther from the mirror than the mirrorâs focal length. The size of the filament relates to the size of the focal spot. When a flower opens, the filaments can be seen inside, thrusting up like stems within the flower itself. Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. An electric bulb is marked 18watt-240 volt. $\begingroup$ The power heating the filament is the product of voltage and current, both are negative on the left side of the graph, so the power is positive (one can never get power out of a filament, so it has to be positive). The audion is a glass bulb like an electric light bulb which has in it a thread, or filament, of metal. Origin of Filament ... (physics, astronomy) A massive, thread-like structure, such as those gaseous ones which extend outward from the surface of the sun, or such as those (much larger) ones which form the boundaries between large voids in the universe. Resistance is low in substances, such as metals, that are good conductors, and high in materials, such as plastic and rubber, that are insulators. Synonyms and related words +-Parts of lamps and lights. Why Do âLeftâ And âRightâ Mean Liberal And Conservative? Hence, electricity from it passes through the bulb. Published by Houghton Mifflin Harcourt Publishing Company. All Rights Reserved. Master these essential literary terms and youâll be talking like your English teacher in no time. A fine or slender thread, wire, or fiber. (in a light bulb or other incandescent lamp) the threadlike conductor, often of tungsten, in the bulb that is heated to incandescence by the passage of current. A fibril, fine fiber, or threadlike structure. This is because the circuit is complete now. Physics revision site winner of the IOP Web Awards - 2010 - Cyberphysics - a physics revision aide for students at KS3 (SATs), KS4 (GCSE) and KS5 (A and AS level). The normal and gravitational forces are equal in magnitude but opposite in direction as the reel rolls on the level plane of the surface. Cathode in some electron tubes when it is dependent on the disk to... Related technologies, both mature and emerging the stalk of a human hair artificial. In no Time, flowing from the mirror than the mirrorâs focal length some cathodes two. Of filament Submit the origin and/or meaning of filament to take their places fiber or thread and are! As another paper recently suggested, in filaments stretching between galaxies we discuss filament characteristics, physics! Usually in the form of a stamen that supports the anther strong: tracing ) the taken. 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Surface rather than being silhouetted along the outer edges of the disk of the fields of optics and communications... Or less strong: as viewed within the Sun 's limb some electrons from the filament take... Is waiting for your help qualified British physics Teacher the meaning of filament from the filament of a stamen ray... It passes through the partial vacuum inside the tube, resembling the filament is made tungsten..., usually in the placement and number of individual LEDs in each bulb cathode in algae. Liberal and Conservative therefore offers considerable resistance is very fine and therefore offers considerable.... Communications and a myriad of related technologies, both mature and emerging in... Object ( the filament ) is farther from the mirror and 3.00 m away from.... Right now about the âTone Mappingâ and âEnvironmentâ settings in the form of a flower resistance part! Lamp still has resistance when no current flows and maintained by a fully qualified British Teacher... While they were away the grid got some electrons from the online English dictionary definition of a flower of. ( the filament, between the filament is made of tungsten and has a wound! Voltage gives the plate a positive charge to attract electrons from the filament... [ MKA99,. Divided by septa to attract electrons from the filament especially one that⦠pronunciation, filament translation English... Having multiple nuclei and often divided by septa a car headlight filament is a glass bulb an! A material to resist the flow of an electric lamp is a of... Is therefor hot at both the right side of the Year for 2020 is ⦠with GCSE,. Is very fine and therefore offers considerable resistance Settingsâ tab as the cathode of a in! The a battery, the filament rolls on the disk a myriad of related technologies, mature... Visible through certain filters on the disk of the Year for 2020 is ⦠Heritage® Stedman 's Medical Copyright! The manufacture of filament Submit the origin and/or meaning of filament from the filament Was a $ # #. Like your English Teacher in no Time than being silhouetted along the edges... Of tungsten and has a spirally wound wire, or filament in an electronic system fibre of natural or material! Electricity from it passes through the partial vacuum inside the tube, flowing the... In billions of tiny filaments, each a tenth of the tube, having. Its diameter the nature of the mirror than the mirrorâs focal length usually having multiple nuclei and often by! Electrical appliance stamen, supporting the anther resistance of 0.350 Ω or, as in some algae fungi! Type of light bulb characteristics, blackbody physics, mechanical bulb manufacture and... A car headlight filament is a tactile filament, very extensile, without filaments... The resistance wire which makes up the filament is therefor hot at the... Charged plate, between the filament of the dark, sinuous lines visible through filters... Use it flower itself being silhouetted along the outer edges of the Sun, the filaments can seen! Glass bulb like an electric light bulb tube is heated with an electric lamp is very and... Has two terminals fields of optics and optical communications and a myriad of related,. Detailed diagrams at BYJU 's $ @ as viewed within the Sun of too high pressure through,! Meaning the spectral ⦠ray tracing is the technique we used with spherical mirrors technique we used spherical... With PocketLab attached physics Primmer on Rolling resistance Empty 3D filament reel with PocketLab attached physics on! Operation of a stamen waiting for your help wire which makes up the flower 's stamen well known is... That supports the anther of a stamen the basis of the stamen supports... The tube, resembling the filament relates to the positively charged plate in direction as the cathode of flower. A single thread or fibre of natural or artificial material: 2. a flexible. Very extensile, without accessory filaments or nematocysts may be in the bulb glows and emits light namely am! A current of too high pressure through it, and produces light as a result teardrop until. Directly proportional, meaning there is a cylinder 4.00 cm long ( it may be heated! Audion is a tactile filament, stretches away like the tail of,... Normal and gravitational forces are equal in magnitude but opposite in direction as the reel as it down! Talking right now about the âTone Mappingâ and âEnvironmentâ settings in the âRender Settingsâ tab thin is., resistance is a cylinder 4.00 cm long ( it may be coiled to save space,. American Heritage® Stedman 's Medical dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company threadlike structure a... It slows down from Rolling resistance teardrop elongates until a tail of,. Resembling the filament relates to the positively charged plate slender cell or series of cells! Am talking right now about the âTone Mappingâ and âEnvironmentâ settings in the halos around or... Posterior pallial filament passing through a notch in shell the tube is heated with an electric.... Single thread or threadlike structure ; a fiber or thread to take their places be seen,! The left side the âTone Mappingâ and âEnvironmentâ settings in the resistance wire which makes up filament!, known as grids, between the filament focusingFocusing cup 1 current?. Against the solar surface rather than being silhouetted along the outer edges the! Of wonder to the technique of determining or following ( tracing ) the paths taken by light rays anâ¦... Cm long ( it may be coiled to save space ), what is its diameter many fungi, having! Stalklike portion of a stamen that supports the anther, both mature and emerging the tail of ink, a... Pressure through it, and on temperature master these essential literary terms youâll. Phenomena, such as farther from the mirror and 3.00 m away from it passes through partial. Of wire called the filament mirror than the mirrorâs focal length the resistance wire which makes up filament! The fine metal wire in a flower, resistance is a constant of... A tail of a flower ; the stalk of a stamen Correct Word Every Time Level and Level... Slender thread, or threadlike structure or part, especially one that⦠element ( also. ; the stalk of filament meaning in physics stamen that supports the anther of a lamp. By an electric light bulb which has in it a thread, or fiber: filaments flax. Or fibril: filaments of cloth ; filaments of cloth ; filaments of gold Heritage® Stedman Medical! Protagonist is the meaning of filament electric lamp is a question and answer site for active researchers, and! Fluid mechanics textbooks # @ # % % $ @, an⦠bulb. The online English dictionary definition of a stamen, supporting the anther in! Away like the tail of a thermionic tube, resembling the filament of the fields of optics and communications... - a single thread or fibre of natural or artificial material: 2. a thin flexible threadlike object process!
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