What controls the contrast of a television cathode ray picture? A. AFC B. video stage gain C. Audio gain control D. CRT biasWhat controls the contrast of a television cathode ray picture? A. AFC B. video stage gain C. Audio gain control D. CRT bias

What controls the contrast of a television cathode ray picture?
A. AFC
B. video stage gain
C. Audio gain control
D. CRT bias
by

1 Answer

Answer :

B. video stage gain
by

Related questions

Where is the brightness control located in a TV? A. The audio section B. The video section C. The grid-cathode circuit D. The front panel

Description : Where is the brightness control located in a TV? A. The audio section B. The video section C. The grid-cathode circuit D. The front panel

Last Answer : A. The audio section

Which of the following refers to the video signal amplitude that determines the quality of the picture? A. Chrominance B. Luminance C. Brightness D. Contrast

Description : Which of the following refers to the video signal amplitude that determines the quality of the picture? A. Chrominance B. Luminance C. Brightness D. Contrast

Last Answer : D. Contrast

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

Description : 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

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

Description : 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

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

Description : 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

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

Description : 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

What consists the front-end circuit of a VHF TV superheterodyne receiver? A. Mixer, RF amplifier and AFC? B. RF amplifier, Band pass filter and mixer C. Local oscillator, mixer and RF amplifier D. Local oscillator, AGC and antenna

Description : What consists the front-end circuit of a VHF TV superheterodyne receiver? A. Mixer, RF amplifier and AFC? B. RF amplifier, Band pass filter and mixer C. Local oscillator, mixer and RF amplifier D. Local oscillator, AGC and antenna

Last Answer : C. Local oscillator, mixer and RF amplifier

How can receiver desensitizing be reduced? A. Increase the receiver bandwidth B. Ensure good RF shielding between the transmitter and receiver C. Increase the transmitter audio gain D. Decrease the receiver squelch, gain.

Description : How can receiver desensitizing be reduced? A. Increase the receiver bandwidth B. Ensure good RF shielding between the transmitter and receiver C. Increase the transmitter audio gain D. Decrease the receiver squelch, gain.

Last Answer : D. Decrease the receiver squelch, gain.

I've been offered a job as a marketing audio gain technician at a local television station. Should I accept the position?

Description : I've been offered a job as a marketing audio gain technician at a local television station. Should I accept the position?

Last Answer : Yes.

What type of bias requires constant current flow through the cathode

Description : What type of bias requires constant current flow through the cathode

Last Answer : Cathode biasing.

Which of the following is not a baseband signal modulation? A. RF carrier B. Video System C. Audio signal D. Binary coded pulses

Description : Which of the following is not a baseband signal modulation? A. RF carrier B. Video System C. Audio signal D. Binary coded pulses

Last Answer : A. RF carrier

The first stage of a two-stage amplifier has a voltage gain of 10, a 600 Ω input resistor, a 1600Ω equivalent noise resistance and 27kΩ output resistor. For the second stage, these values are 25, 81kΩ, 19kΩ, and 1MΩ, respectively. Calculate the equivalent input-noise resistance of this two stage amplifier. A. 2,518 kΩ B. 2,518 Ω C. 251.8 Ω D. 12,518 Ω

Description : The first stage of a two-stage amplifier has a voltage gain of 10, a 600 Ω input resistor, a 1600Ω equivalent noise resistance and 27kΩ output resistor. For the second stage, these values are 25, 81kΩ, 19kΩ, and 1MΩ, ... this two stage amplifier. A. 2,518 kΩ B. 2,518 Ω C. 251.8 Ω D. 12,518 Ω

Last Answer : B. 2,518 Ω

What CRT element provides for controls of the number of electrons passing father into the tube?

Description : What CRT element provides for controls of the number of electrons passing father into the tube?

Last Answer : control grid

How do I fix my crt television problems?

Description : How do I fix my crt television problems?

Last Answer : I don't think the problem is with your TV. I think it's with your cable box. Most CRT televisions in my experience aren't digital. If this isn't a digital TV, then the artifacts you are ... the problem when working with a converter box, then you can eliminate your TV as the source of the problem.

Which type of monitor works in the same way as a television? (a) CRT (b) LCD (c) LED (d) 3_D -Technology

Description : Which type of monitor works in the same way as a television? (a) CRT (b) LCD (c) LED (d) 3_D -Technology

Last Answer : (a) CRT monitor works in the same way as a television.

A ___________________ monitor looks like a television and are normally used with non-portable computer systems. a) CRT b) LCD c) LED d) Flat Panel Monitors

Description : A ___________________ monitor looks like a television and are normally used with non-portable computer systems. a) CRT b) LCD c) LED d) Flat Panel Monitors

Last Answer : Answer: a Explanation: A CRT (or the Cathode Ray Tube) Monitor looks like a television ideally. The flat panel monitors are thinner and lighter in comparison

The input signal of a travelling wave tube is introduced at A. Cathode B. Anode C. Cathode end of the helix D. Collector end of the helix

Description : The input signal of a travelling wave tube is introduced at A. Cathode B. Anode C. Cathode end of the helix D. Collector end of the helix

Last Answer : C. Cathode end of the helix

The device in figure 'B' shown in the illustration can be used to control an AC load yet maintain its high gain by ______________. EL-0091 A. connecting the load to the output side of the bridge B. reversing the current flow through the control winding C. connecting the load to the input side of the bridge D. reversing the current flow through the bias winding

Description : The device in figure 'B' shown in the illustration can be used to control an AC load yet maintain its high gain by ______________. EL-0091 A. connecting the load to the output side of the ... connecting the load to the input side of the bridge D. reversing the current flow through the bias winding

Last Answer : Answer: C

The ___________ of a CRO controls the brightness of the spot formed on the screen a) Filament b) Grid c) Deflection plates d) Cathode

Description : The ___________ of a CRO controls the brightness of the spot formed on the screen a) Filament b) Grid c) Deflection plates d) Cathode

Last Answer : b) Grid

Do LCD monitors offer better picture quality than CRT monitors?

Description : Do LCD monitors offer better picture quality than CRT monitors?

Last Answer : No, CRT monitors are still the best picture, but LCDs take up less room and energy.

The CRT display is made up of small picture element called: a) Columns b) Pixels c) Rows d) None of These

Description : The CRT display is made up of small picture element called: a) Columns b) Pixels c) Rows d) None of These

Last Answer : b) Pixels

Photodiodes used as fiber optic directors are a. Unbiased to generate a voltage same as a solar cell b. Forward bias c. Reversed bias d. Thermoelectrically cooled

Description : Photodiodes used as fiber optic directors are a. Unbiased to generate a voltage same as a solar cell b. Forward bias c. Reversed bias d. Thermoelectrically cooled

Last Answer : c. Reversed bias

What distortion is not caused by transmission line characteristics? A. Phase distortion B. Pulse shape distortion C. Spacing bias distortion D. Amplitude distortion

Description : What distortion is not caused by transmission line characteristics? A. Phase distortion B. Pulse shape distortion C. Spacing bias distortion D. Amplitude distortion

Last Answer : C. Spacing bias distortion

Define input bias current?

Description : Define input bias current?

Last Answer : It is defined as the average of the currents entering into the input terminals of an op-amp.

What are the advantages of fixed bias circuit?

Description : What are the advantages of fixed bias circuit?

Last Answer : This is simple circuit which uses a few components. The operating point can be fixed any where on the Centre of the active region

ECE Board Exam March 1996 What is the purpose of the receiver’s squelch circuit? A. To overcome fluctuations in the level the RF signal arriving at the receiver antenna B. To prevent fluctuations in the AGC bias level C. To reduce the receiver’s sensitivity to all incoming signals D. To prevent amplified noise from reaching the loudspeaker during the absence of an incoming signal

Description : ECE Board Exam March 1996 What is the purpose of the receiver's squelch circuit? A. To overcome fluctuations in the level the RF signal arriving at the receiver antenna B. To prevent ... signals D. To prevent amplified noise from reaching the loudspeaker during the absence of an incoming signal

Last Answer : D. To prevent amplified noise from reaching the loudspeaker during the absence of an incoming signal

What part or section of a TV receiver that separates the sound and video signals? A. IF stage B. Video amplifier C. Video detector D. Burst separator

Description : What part or section of a TV receiver that separates the sound and video signals? A. IF stage B. Video amplifier C. Video detector D. Burst separator

Last Answer : C. Video detector

When water is available for three irrigation in wheat , than it should apply to. a. CRT, Late tillering, flowering b. CRI, Boot stage, Milk Stage c. CRT, Boot stage, Dought Stage d. CRT, Milk Stage, Dought Stage

Description : When water is available for three irrigation in wheat , than it should apply to. a. CRT, Late tillering, flowering b. CRI, Boot stage, Milk Stage c. CRT, Boot stage, Dought Stage d. CRT, Milk Stage, Dought Stage

Last Answer : b. CRI, Boot stage, Milk Stage

A diagnostic test that involves injection of a contrast media into the venous system through a dorsal vein in the foot is termed a) contrast phlebography. When a thrombus exists, an x-ray image will disclose an unfilled segment of a vein. b) air plethysmography Air plethysmography quantifies venous reflux and calf muscle pump ejection.

Description : A diagnostic test that involves injection of a contrast media into the venous system through a dorsal vein in the foot is termed a) contrast phlebography. When a thrombus exists, an x ... d) lymphoscintigraphy. In lymphoscintigraphy, a radioactive-labeled colloid is injected into the lymph system.

Last Answer : a) contrast phlebography. When a thrombus exists, an x-ray image will disclose an unfilled segment of a vein.

Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray

Description : Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray

Last Answer : Gamma ray electromagnetic waves.

What is the main difference between X ray and cathode ray ?

Description : 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.

What is a cathode ray ?

Description : 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.

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

Description : 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`.

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

Description : 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?

Why did the deflection of the beam by magnet suggest that the cathode ray contained charged particles?

Description : Why did the deflection of the beam by magnet suggest that the cathode ray contained charged particles?

Last Answer : Need answer

Why cathode ray can not be regarded as electromagnetic wave?

Description : 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.

What happens when cathode rays strike the glass walls of the cathode ray tube?

Description : What happens when cathode rays strike the glass walls of the cathode ray tube?

Last Answer : Feel Free to 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

Description : 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

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

Description : 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.

The waveform of a certain signal can be studied by – (1) Spectrometer (2) Cathode ray oscilloscope (3) p - n junction diode (4) Sonometer

Description : 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.

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

Description : 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

From which the cathode ray particles originate in a discharge tube?

Description : From which the cathode ray particles originate in a discharge tube?

Last Answer : Cathode

A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent period is 1.5 ms. The intracellular electrode is 6 cm form the anode of the simulator and 4.5 cm from the cathode of the simulator. What is the conduction velocity of the axon. a. 15 m/s b. 30 m/s c. 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Description : A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent ... . 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Last Answer : 30 m/s

From which the cathode ray particles originate in a discharge tube

Description : From which the cathode ray particles originate in a discharge tube

Last Answer : Cathode

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

Description : 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

Considered as the "heart" of the cathode ray oscilloscope.

Description : Considered as the "heart" of the cathode ray oscilloscope.

Last Answer : cathode ray tube (CRT)

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

Description : 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

.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

Description : .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

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

Description : 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