Please Log in or Register for more.

What is Cathode ray tube ?

2.0k views

3 Answers

Answer :

Cathode Ray tube is a Vacuum tube found in an oscilloscope that contains x and y plates amongst other components used to direct the electrons produced by the electron gun creating a waveform or a line on the screen.
Like 1 like

Answer :

CRT or Cathode ray tube consists of cathode, control grid, accelerating anode, focusing electrode, horizontal deflection plates, vertical deflection plates and phosphor coated screen. Cathode and control grid produce a beam of electrons. Accelerating anode accelerate the electron beam. Horizontal deflection plates move the electron beam in horizontal direction. Vertical deflection plates move the electron beam in vertical direction.
Like 0 like

Answer :

Cathode ray tube (CRT) is a vacuum tube using cathode rays to generate a picture on a fluorescent screen. These cathode rays are in fact the electron beam deflected and modulated, which impinges on a phosphor screen to generate a picture according to a repetitive pattern refreshed at a frequency usually between 25 and 72 Hz. (CRT) Vacuum tube used to display data in a visual form. Picture tube of a television or computer terminal.
Like 0 like

Please log in or register to answer this question.

Related Questions


The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal
Last Answer : 2 Saw tooth 

Show More

1.2k views 2 answers







Draw full bridge & half bridge configuration with common cathode.
Last Answer : Half Bridge Configuration: Full Bridge Configuration: 

Show More

309 views 1 answer







Which is the positive terminal anode or cathode?
Last Answer : Anode is positive terminal and cathode is negative terminal.

Show More

123 views 1 answer







Which of the following is a cold cathode lamp ?  (A) Mercury vapour lamp (C) Incandescent lamp (B) Sodium vapour lamp (D) Neon lamp
Last Answer : Which of the following is a cold cathode lamp ?  (A) Mercury vapour lamp (C) Incandescent lamp (B) Sodium vapour lamp (D) Neon lamp

Show More

671 views 1 answer







What is the difference between an anode and a cathode?
Last Answer : The anode is positively charged electrode and the cathode is negatively charged electrode.

Show More

128 views 1 answer







Do electrons flow from the anode to the cathode?
Last Answer : electrons flow from cathode to anode because the electron has a negative charge and repels from the negatively charged cathode whilst also attracting to the positively charged anode.

Show More

198 views 2 answers







A tube light rated 50 watts (electric powers) is used for 10 hours per day for 30 days in a month. How much electric energy is being consumed by it per month? Similary per year, how much energy will be consumed?
Last Answer : Ans. 50 x 10 x 30 = 15000watts = 15000/1000= 15 units per month. Per units consumed: 15X12= 180units per year.

Show More

9 views 1 answer







Why the choke is used with tube light?
Last Answer : Ans. Choke is used as inductance and check voltage surge at starting and limit the current in Running.

Show More

7 views 1 answer







Why starter is used in flourescent tube?
Last Answer : Ans. Starter is used in flourescent tube for automatic make & break in the circuit for starting purpose. It generates voltage in choke to aid in series with supply so as to stabilize gas discharge in Flourescent tubes.

Show More

5 views 1 answer







How to Change a Bike Tire Tube
Last Answer : How to Change a Bike Tire Tube For any bicycle user, knowing how to change bike tires and bike tubes are essential when you run into a flat tire. Here are the things you need to keep at hand and the ... fully, which typically takes 40 psi. Give the bike tire another look-over, and you're good to go.

Show More

7 views 1 answer







How to Patch an Inner Tube ?
Last Answer : How to Patch an Inner Tube Bicycle tires are meant to last and withstand the strains of rough riding, although they can be punctured, worn, or damaged. It can be quite expensive to replace the inner ... you have patched an inner tube, it's very important to have it replaced as soon as possible.

Show More

4 views 1 answer







Draw and describe construction and working of Bourdon tube.
Last Answer : Construction and working : C type bourdon tube is made up of an elliptically flattened tube bent in such a way as to produce the C' shape as shown in the figure. One end (free ... displacement can be indication of applied pressure. Accuracy of this element is higher than C' type element.

Show More

490 views 1 answer







Draw Bourdon tube with LVDT setup for pressure measurement.
Last Answer : Bourdon tube with LVDT setup for pressure measurement.

Show More

198 views 1 answer







Explain the working of Neon sign tube with diagram.
Last Answer : Neon sign tube: The construction & circuit diagram for neon tube is as shown in fig. Basically neon tube is used for advertisement or decoration purpose. The maximum length of tube is ... the HT transformer must be earthed separately. * Caution notice of danger board is required.

Show More

375 views 1 answer







Draw the wiring diagram of fluorescent tube. Explain the working of choke and starter. 
Last Answer : Fluorescent lamp:- Operation:- When switch is ON current flows through the choke-filament no1- starter-filament no. 2- to neutral, At that time choke induces high voltage which is applied to ... at the time of starting. ii) Starter: To make and break the circuit to start the tube. 

Show More

2.8k views 1 answer







Draw the constructional detail of C type bourdon tube and explain its working. 
Last Answer : Explanation : The C-shaped Bourdon tube has a hollow, elliptical cross section. It is closed at one end and is connected to the fluid pressure at the other end. When pressure is applied, ... the maximum operating pressure of the system or portion of the system in which the gauge is installed. 

Show More

1.2k views 3 answers







Distinguish between fire tube and water tube boilers in steam power plant.
Last Answer : Fire Tube boiler Water Tube boiler In fire tube boilers hot gases are passed through the tubes and water surrounds these tubes. In these boilers water is inside the tubes and hot gases are ... risk of explosion due to low pressure. Risk of explosion is more due to high pressure.

Show More

73 views 1 answer







The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: (A) Pressure is lower but ... velocity is lower (C) Both pressure and velocity are lower (D) Pressure and velocity are identical
Last Answer : The pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: (A) Pressure is lower but ... lower (C) Both pressure and velocity are lower (D) Pressure and velocity are identical

Show More

128 views 1 answer







what is vacuum tube?
Last Answer : A vacuum tube is a tube with no air particles.

Show More

83 views 1 answer







How do I fix a flat tire from a 26 bike?
Last Answer : You need to put some air in the tube before replacing , i use a spoon handle remember to add baby powder to inner tire .

Show More

1 view 1 answer







In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each other and the intensity of the
Last Answer : In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each ... 01 T` and `E=50,000 V//m`.

Show More

0 views 1 answer







What happens when cathode rays strike the glass walls of the cathode ray tube?
Last Answer : Feel Free to Answer

Show More

0 views 1 answer







The first practical form of Random Access Memory was the __________ a) SSEM b) Cathode Ray Tube c) William’s Tube d) Thomas’s Tube
Last Answer : Answer: c Explanation: The first practical form of RAM was the William’s Tube made in 1947. It stored data as electrically charged spots on the face of a Cathode Ray Tube

Show More

2 views 1 answer







From which the cathode ray particles originate in a discharge tube?
Last Answer : Cathode

Show More

2 views 1 answer







CRT stands for: a) Ctrl, Refresh, Tab b) Cathode Ray Tube c) Catholic Ray Tuber d) None of These
Last Answer : b) Cathode Ray Tube

Show More

4 views 1 answer







CRT stands for: a) Compact Ray Tube b) Cathode Ray Tube c) Compatible Recognition Tool d) None of These
Last Answer : b) Cathode Ray Tube

Show More

5 views 1 answer







Which of the following monitor types most closely resembles a television: a) flat panel b) cathode ray tube c) e - book reader d) data projector e) None of The Above
Last Answer : b) cathode ray tube

Show More

3 views 1 answer







From which the cathode ray particles originate in a discharge tube
Last Answer : Cathode

Show More

3 views 1 answer







CRT stands for: a. Cathode ray tube b. Compared ray tube c. Command ray tube d. None of these
Last Answer : a. Cathode ray tube

Show More

3 views 1 answer







.What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None
Last Answer : A)Computer Analysis and Response Team

Show More

6 views 1 answer







What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None
Last Answer : A)Computer Analysis and Response Team

Show More

2 views 1 answer







What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None
Last Answer : A)Computer Analysis and Response Team

Show More

2 views 1 answer







The SCR would be turned OFF by voltage reversal of applied anode-cathode ac supply frequency of A) 10 kHz B) 10 Hz C) 5 kHz D) 5 Hz 

Show More

185 views 0 answers







It is an unidirectional device that blocks the current flow from cathode to anode   (A) SCR (B) PCR (C) VCR (D) DCR
Last Answer : It is an unidirectional device that blocks the current flow from cathode to anode SCR 

Show More

89 views 1 answer







Is the anode or cathode longer in LED ?
Last Answer : In LED anode terminal is longer and cathode terminal is smaller.

Show More

80 views 1 answer







Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray
Last Answer : Gamma ray electromagnetic waves.

Show More

0 views 1 answer







What is the main difference between X ray and cathode ray ?
Last Answer : X-ray electromagnetic wave with short wavelength. Cathode ray, on the other hand, is a stream of fast moving electron particles.

Show More

2 views 1 answer







What is a cathode ray ?
Last Answer : The cathode ray is the electron that emits from the cathode of the electrostatic tube at low pressure and produces a refraction on the opposite wall of the dripping tube at approximately perpendicular speed of light.

Show More

1 view 1 answer







The forces of cathode ray particles due to electric and magnetic fields which are at right angles to each other balance each other. If the magnetic fi
Last Answer : The forces of cathode ray particles due to electric and magnetic fields which are at right angles to ... p.d. is required to produce this velocity?

Show More

3 views 1 answer







Why did the deflection of the beam by magnet suggest that the cathode ray contained charged particles?
Last Answer : Need answer

Show More

1 view 1 answer







Why cathode ray can not be regarded as electromagnetic wave?
Last Answer : A cathode ray is a stream of electrons, not a stream of photonslike the electromagnetic wave. It's a different type of particle.The electrons don't move at light speed in a vacuum; also, they areelectrically charged.

Show More

1 view 1 answer







Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray
Last Answer : (3) Cathode Ray Explanation: In physics, electromagnetic radiation (EMR) refers to the waves (or their quanta, photons) of the electro-magnetic field, propagating (radiating) through space carrying ... includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-, and gamma radiation.

Show More

0 views 1 answer







The waveform of a certain signal can be studied by – (1) Spectrometer (2) Cathode ray oscilloscope (3) p - n junction diode (4) Sonometer
Last Answer : (4) Sonometer Explanation: A spectrometer is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum. Cathode ray oscilloscope is an electronic display ... electron beam that is used to produce visible patterns or graphs on a phosphorescent screen.

Show More

6 views 1 answer







Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray
Last Answer : B. X – ray

Show More

1 view 1 answer







5 views 1 answer







4 views 1 answer







The ___ provides the visual display showing the form of the signal applied as a waveform on the front screen of a cathode ray oscilloscope
Last Answer : CRT

Show More

29 views 1 answer







Considered as the "heart" of the cathode ray oscilloscope.
Last Answer : cathode ray tube (CRT)

Show More

1 view 1 answer







The beam that leaves the target is called, A. The primary X-ray B. The electrons ( from the cathode) C. The secondary rays (scattered radiation) D. X-ray photons no
Last Answer : A. The primary X-ray

Show More

16 views 1 answer







Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray
Last Answer : Cathode Ray

Show More

38 views 1 answer






Show More⇦ PreviousNext ⇨