What is a threadlike wire that gives off light in an electric light bulb that starts with f?

What is a threadlike wire that gives off light in an electric light bulb that starts with f?
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Why a bulb with a filament gives off light?

Description : Why a bulb with a filament gives off light?

Last Answer : Electricity goes through the filament in the bulb.The filament is made of a material that is not a good conductor and therefore offers "resistance" to the electricity going through it.The "resistance" results ... hot, then very hot.The filament gets so hot that it starts to glow, giving off light.

An electric bulb is connected on a holder. One end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. The bulb will glow or not? If yes then what is the need of neutral?

Description : An electric bulb is connected on a holder. One end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. The bulb will glow or not? If yes then what is the need of neutral?

Last Answer : 1. Yes the bulb will be glow & neutral is return path of Circuit it is originated from distribution transformers star point, form this point only neutral is taken. 2. Then what is the need ... : It gives assurance of reliable centralized earthling as your home may or may not have reliable earthling.

What is the threadlike structures in the nucleus of cells that contain genes?

Description : What is the threadlike structures in the nucleus of cells that contain genes?

Last Answer : Feel Free to Answer

Why are slime molds considered to resemble plants? A.They can photosynthesize B.Theyhave cell walls composed largely of cellulose C.They form a threadlike structure D.They form structures that resemble leaves

Description : Why are slime molds considered to resemble plants? A.They can photosynthesize B.Theyhave cell walls composed largely of cellulose C.They form a threadlike structure D.They form structures that resemble leaves

Last Answer : B.Theyhave cell walls composed largely of cellulose

Why are slime molds considered to resemble plants? A.They can photosynthesize B.Theyhave cell walls composed largely of cellulose C.They form a threadlike structure D.They form structures that resemble leaves

Description : Why are slime molds considered to resemble plants? A.They can photosynthesize B.Theyhave cell walls composed largely of cellulose C.They form a threadlike structure D.They form structures that resemble leaves

Last Answer : Theyhave cell walls composed largely of cellulose

Why are slime molds considered to resemble plants? A- They can photosynthesize B- They have cell walls composed largely of cellulose C- They form a threadlike structure D- They form structures that resemble leaves

Description : Why are slime molds considered to resemble plants? A- They can photosynthesize B- They have cell walls composed largely of cellulose C- They form a threadlike structure D- They form structures that resemble leaves

Last Answer : They have cell walls composed largely of cellulose

Is it normal for a light bulb to break and hang from the light fixture by a wire?

Description : Is it normal for a light bulb to break and hang from the light fixture by a wire?

Last Answer : answer:Incandescent bulbs? If so, then yes, they often do that. Turn off the light switch when unscrewing them. If you can’t get the base out, a potato (or in my case a pliers) can assist in getting out the remains. Did you by any chance buy really cheap bulbs?

Why doesn't the wire get hot in a circuit going from a battery through a light bulb?

Description : Why doesn't the wire get hot in a circuit going from a battery through a light bulb?

Last Answer : Actually the wire WILL get hot, but specifically HOW MUCH itgets hot depends on the current, and on the resistance of thewire.In most circuits, the resistance of the wire (and thus, theamount of heating) is insignificant, and can safely be ignored formost calculations.

How do know when electric current is flowing in a light bulb circuit?

Description : How do know when electric current is flowing in a light bulb circuit?

Last Answer : The bulb glows indicating that there is current flow. If thereis any ammeter in the circuit, it reads when there is current flowin the circuit

How do you know when electric current is flowing in a light bulb circuit?

Description : How do you know when electric current is flowing in a light bulb circuit?

Last Answer : Need answer

Air is completely removed from an electric bulb to prevent (a) oxidation of tungsten filament (b) bursting of the bulb (c) loss of light due to absorption (d) none of these

Description : Air is completely removed from an electric bulb to prevent (a) oxidation of tungsten filament (b) bursting of the bulb (c) loss of light due to absorption (d) none of these

Last Answer : Ans:(a)

In a filament type light bulb most of the electric power consumed appears as – (1) visible light (2) infra-red rays (3) ultra-violet rays (4) fluorescent light

Description : In a filament type light bulb most of the electric power consumed appears as – (1) visible light (2) infra-red rays (3) ultra-violet rays (4) fluorescent light

Last Answer : (2) infra-red rays Explanation: When electricity is passed through the filament, the filament gets hot. Depending on the temperature of the filament, radiation is emitted from the filament. The ... energy converts into visible light and rest of it is emitted as heat or infrared radiation.

In a Filament type Light bulb most of the electric power consumed appear as

Description : In a Filament type Light bulb most of the electric power consumed appear as

Last Answer : Infrared rays

A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00

Description : A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00 

Last Answer : ANSWER: X -- $10.00 

In a filament type light bulb most of the electric power consumed appears as (1) visible light (2) infra-red rays (3) ultra-violet rays (4) fluorescent light

Description : In a filament type light bulb most of the electric power consumed appears as (1) visible light (2) infra-red rays (3) ultra-violet rays (4) fluorescent light

Last Answer : infra-red rays

Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. (1) small current carrying wire (2) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution

Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution

Last Answer : (3) optical fibre Explanation: An endoscope can consist of a rigid or flexible tube and a light delivery system to illuminate the organ or object under inspection. The light source is normally outside the ... in the case of rigid endoscopes or a bundle of fiber optics in the case of a fiberscope.

Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. (1) small current carrying wire (2) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution

Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution 

Last Answer : optical fibre

The wire of flash bulb is made of : (1) Copper (2) Barium (3) Magnesium (4) Silver

Description : The wire of flash bulb is made of : (1) Copper (2) Barium (3) Magnesium (4) Silver

Last Answer : Magnesium

there are 3 light bulbs in three seperate rooms. in front of you, there is a panel with 3 seperate switches. they only turn on or off. you may look inside each room only once. how can you tell which bulb belongs to which switch? -Riddles

Description : there are 3 light bulbs in three seperate rooms. in front of you, there is a panel with 3 seperate switches. they only turn on or off. you may look inside each room only once. how can you tell which bulb belongs to which switch? -Riddles

Last Answer : you turn on any two switches, leave them for a few minutes, and turn one off. you enter each room only once. you know that the lightbulb that is lit beongs to the switch that was left on, the ... hot, belongs to the switch you turned off, and the cold bulb belongs to the switch you never touched.

There are 100 light bulbs lined up in a row in a long room. Each bulb has its own switch and is currently switched off. The room has an entry door and an exit door. There are 100 people lined up outside the entry door. Each bulb is numbered consecutively from 1 to 100. So is each person. Person No. 1 enters the room, switches on every bulb, and exits. Person No. 2 enters and flips the switch on every second bulb (turning off bulbs 2, 4, 6, ...). Person No. 3 enters and flips the switch on every third bulb (changing the state on bulbs 3, 6, 9, ...). This continues until all 100 people have passed through the room. What is the final state of bulb No. 64? And how many of the light bulbs are illuminated after the 100th person has passed through the room? -Riddles

Description : There are 100 light bulbs lined up in a row in a long room. Each bulb has its own switch and is currently switched off. The room has an entry door and an exit door. There are 100 people ... And how many of the light bulbs are illuminated after the 100th person has passed through the room? -Riddles

Last Answer : First think who will operate each bulb, obviously person #2 will do all the even numbers, and say person #10 will operate all the bulbs that end in a zero. So who would operate for example bulb 48: Persons numbered: 1 & 48 ... 100 (1, 4, 9, 16, 25, 36, 49, 64, 81 & 100) hence 10 bulbs remain on.

There is a lamp inside a photography darkroom. When the darkroom door is closed, it is impossible to tell from outside the room whether or not the lamp is on. There are two switches outside the door of the darkroom. One or both of the switches may control the lamp. It also could be that neither of the switches control the lamp. All you know is that the light bulb is currently off and that the lamp and bulb are in working condition. The darkroom door is closed and once you open the door you cannot touch either of the switches. If you can only open the dark-room door one time, how can you tell which switches, if any, control the lamp? -Riddles

Description : There is a lamp inside a photography darkroom. When the darkroom door is closed, it is impossible to tell from outside the room whether or not the lamp is on. There are two switches outside the door of ... dark-room door one time, how can you tell which switches, if any, control the lamp? -Riddles

Last Answer : Turn the first switch on and leave it on for ten minutes. After ten minutes, turn that switch off and turn the second switch on. Open the darkroom door, and lightly (in case it is hot) touch the ... one controls the lamp. If the lamp is off, and the bulb is cool, neither switch controls the lamp.

How can I perform a light bulb replacement when the bulb broke off at the base?

Description : How can I perform a light bulb replacement when the bulb broke off at the base?

Last Answer : The best way to remove a blub that has broken off at the base is to use a raw potato. Cut the potato in half and, with the light switch turned off, shove the raw edge of the potato ... . Replace the bulb as you would normally after making sure all potato residue is removed from the light socket.

A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intens

Description : A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intens

Last Answer : A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` ... and (ii) the total luminous flux from the blub.

What is period medicine ? My period starts from 14th. I don't know why light dirty blood is going off. Little by little. Is there any medicine to stop it ? And it will not be a problem to have a period next month ?

Description : What is period medicine ? My period starts from 14th. I don't know why light dirty blood is going off. Little by little. Is there any medicine to stop it ? And it will not be a problem to have a period next month ?

Last Answer : There are many side effects of period medicine , these medicines have a lot of side effects. Therefore, refrain from taking these medicines after hearing the name from someone. If necessary, consult ... nutritious food , along with regular iron tablets or pill pink line pills will benefit quickly.

A man says I can guess the score of a football game before it starts he gives a guess and he is right. How? -Riddles

Description : A man says I can guess the score of a football game before it starts he gives a guess and he is right. How? -Riddles

Last Answer : The score is always 0-0 before the game starts.

What is a synonym for good starts with an F?

Description : What is a synonym for good starts with an F?

Last Answer : Need answer

State whether the following statements are true / false: 1) A fully qualified domain name starts with a specific host and ends with a top-level domain. 2) Domain names are always written as fully qualified domain names. A. 1.T, 2.T B. 1.T, 2.F C. 1.F, 2.T D. 1.F, 2.F

Description : State whether the following statements are true / false: 1) A fully qualified domain name starts with a specific host and ends with a top-level domain. 2) Domain names are always written as fully qualified domain names. A. 1.T, 2.T B. 1.T, 2.F C. 1.F, 2.T D. 1.F, 2.F

Last Answer : B. 1.T, 2.F

An electric bulb of 100 W is used for 8 h per day. Calculate the 'units' of energy consumed in one day by the bulb? -Physics 9th

Description : An electric bulb of 100 W is used for 8 h per day. Calculate the 'units' of energy consumed in one day by the bulb? -Physics 9th

Last Answer : Given : t=6 hrs P=0.06 kW Thus energy consumed per day is: E=Pt=0.06×6=0.36 kWh=0.36 units

The filament of an electric bulb is made of which metal? -General Knowledge

Description : The filament of an electric bulb is made of which metal? -General Knowledge

Last Answer : The answer is 'Tungsten'

What is the unit of luminous efficiency of an electric bulb? -Do You Know?

Description : What is the unit of luminous efficiency of an electric bulb? -Do You Know?

Last Answer : answer:

The filament of an electric bulb is made of which metal? -General Knowledge

Description : The filament of an electric bulb is made of which metal? -General Knowledge

Last Answer : answer:

Filament of electric bulb is made of which metal ?

Description : Filament of electric bulb is made of which metal ?

Last Answer : The filament of an electric bulb is made of tungsten metal.

Who invented the electric bulb ?

Description : Who invented the electric bulb ?

Last Answer : The electric bulb was invented by Thomas Alva Edison.

Why is the filament of electric bulb made of tungsten ?

Description : Why is the filament of electric bulb made of tungsten ?

Last Answer : When electricity flows through the coil or filament of the thin wire of the bulb, it becomes very hot and radiates all around. Tungsten is a metal with the highest melting point and the highest tensile strength, making it a filament to make the bulb more durable.

Matrix Matching. `{:("List-I","List-II"),((A) "Gas Thermometers",(p) He),((B) "Beacon lamp", (q) Ne),((C ) "Electric bulbs",(r ) Xe),((D) "Flash bulb"

Description : Matrix Matching. `{:("List-I","List-II"),((A) "Gas Thermometers",(p) He),((B) "Beacon lamp", (q) Ne),((C ) "Electric bulbs",(r ) Xe),((D) "Flash bulb"

Last Answer : Matrix Matching. `{:("List-I","List-II"),((A) "Gas Thermometers",(p) He),((B) "Beacon lamp", (q) Ne),((C ... ",(r ) Xe),((D) "Flash bulb", (s) Kr):}`

In order to prevent the hot metal filament from getting burnt, when the electric current is switched on, the bulb is filled with

Description : In order to prevent the hot metal filament from getting burnt, when the electric current is switched on, the bulb is filled with

Last Answer : In order to prevent the hot metal filament from getting burnt, when the electric current is switched on, the bulb is ... gas C. `CO_(2)` D. `Cl_(2)`

An electric bulb is hanging above the centre of a circular table of radiys 3m at a height of 3m from the its centre. Find the ratio of illuminance at

Description : An electric bulb is hanging above the centre of a circular table of radiys 3m at a height of 3m from the its centre. Find the ratio of illuminance at

Last Answer : An electric bulb is hanging above the centre of a circular table of radiys 3m at a height of 3m from the ... and at a point on the edge of the table.

An electric bulb illuminates a plane surface. The intensity of illumination on the surface at a point 2m away from the bulb is `5 xx 10^(-4)` phot. Th

Description : An electric bulb illuminates a plane surface. The intensity of illumination on the surface at a point 2m away from the bulb is `5 xx 10^(-4)` phot. Th

Last Answer : An electric bulb illuminates a plane surface. The intensity of illumination on the surface at a point 2m away from the ... ? (1 phot `= 1m//cm^(2))`.

The filament of an electric bulb is made of which metal

Description : The filament of an electric bulb is made of which metal

Last Answer : Tungsten

Which gas is filled in electric bulb?

Description : Which gas is filled in electric bulb?

Last Answer : Argon

When an electric bulb breaks, there is a mild bang due to (a) the chemical reaction between the enclosed gases (b) the compressed gases rushing out suddenly (c) the air rushing in to fill the evacuated space (d) some other unknown reason

Description : When an electric bulb breaks, there is a mild bang due to (a) the chemical reaction between the enclosed gases (b) the compressed gases rushing out suddenly (c) the air rushing in to fill the evacuated space (d) some other unknown reason

Last Answer : Ans:(c)

Consider the following statements: 1. when an electric bulb is switched on, the resistance of its tungsten filament increases. 2. the resistance of pure metals increases on heating. Which of the above statements is/are correct? (a) Both 1 and 2 (b) only 1 (c) only 2 (d) Neither 1 nor 2

Description : Consider the following statements: 1. when an electric bulb is switched on, the resistance of its tungsten filament increases. 2. the resistance of pure metals increases on heating. Which of the above statements is/are correct? (a) Both 1 and 2 (b) only 1 (c) only 2 (d) Neither 1 nor 2

Last Answer : Ans:(a)

An electric bulb has a filament made of (a) Copper (b) Iron (c) Lead (d) Tungsten

Description : An electric bulb has a filament made of (a) Copper (b) Iron (c) Lead (d) Tungsten

Last Answer : Ans:(d)

By what process is heat transmitted from the filament of an evacuated electric bulb to the glass? (a) Conduction (b) Convection (c) Radiation (d) Heat cannot be transmitted through vacuum

Description : By what process is heat transmitted from the filament of an evacuated electric bulb to the glass? (a) Conduction (b) Convection (c) Radiation (d) Heat cannot be transmitted through vacuum

Last Answer : Ans:(c)

The gas inside an electric bulb is (a) air (b) oxygen (c) nitrogen (d) carbon dioxide

Description : The gas inside an electric bulb is (a) air (b) oxygen (c) nitrogen (d) carbon dioxide

Last Answer : Ans:(c)

Which of the following is a chemical change? (a) Evaporation of water (b) Burning of candle (c) Glowing of an electric bulb (d) Liquefaction of air

Description : Which of the following is a chemical change? (a) Evaporation of water (b) Burning of candle (c) Glowing of an electric bulb (d) Liquefaction of air

Last Answer : Ans:(b)

The filament of electric bulb is made of (1) Iron (2) Nichrome (3) Tungsten (4) Graphite

Description : The filament of electric bulb is made of (1) Iron (2) Nichrome (3) Tungsten (4) Graphite

Last Answer : (3) Tungsten Explanation: The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten.

Tungsten is used for the manufacture of the filament of an electric bulb, because – (1) It is a good conductor (2) It is economical (3) It is malleable (4) It has a very high melting point

Description : Tungsten is used for the manufacture of the filament of an electric bulb, because – (1) It is a good conductor (2) It is economical (3) It is malleable (4) It has a very high melting point

Last Answer : (4) It has a very high melting point Explanation: Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes ... bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).

The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten

Description : The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten

Last Answer : (4) Tungsten Explanation: An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light which produces light with a filament wire heated to a high temperature by an electric ... through it, until it glows. Tungsten, also known as wolfram, is a chemical element.

Which is the gas usually filled in the electric bulb?

Description : Which is the gas usually filled in the electric bulb?

Last Answer : Nitrogen