What is the function of electrons in cathode ray tubes? - ProProfs Discuss

# What is the function of electrons in cathode ray tubes?

Asked by M. Jabrowsky, Last updated: Nov 29, 2020

#### Bergeront Tiffney

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Bergeront Tiffney, Computer Engineer, M. Tech, Southeast Montgomery

Answered Sep 24, 2019

The cathode ray is known to be unique. This will convert the electronic signal to make sure that a picture will react to the substance that is shown on screen. Cathode rays can be used in order to display the needed mathematical details. It will also be effective in showing the graph that will showcase how the heart of a person that is being monitored is going.

This can also transmit some images that may be needed depending on the situation. Cathode rays were created a long time ago, but there are still some people who use it because this is effective. How does the cathode ray do all of the things that it is required to do? Usually, there are electronic signals that come from a power source, and electrons will travel through the anode that in turn can produce the needed images.

#### John F. connor

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John F. connor, Content Marketing executive, MA, Minsk,Poland

Answered Feb 08, 2019

Vacuum tubes must be used in order for cathode rays to work. Cathode rays involve electrons. When the electrons are placed in the vacuum tubes, this causes the cathode rays. The way in which the cathode ray tubes work is that the electrons are in the vacuum tubes and the electrons are negatively charged. Since they are negatively charged, they repel or turn away from the cathode because it is negative too.

They move to the positive part of the tube. That is how they move because they are traveling to what they are attracted to. They also travel straight to the positive part. They move in a straight line from point a to point b. Then the electrons move quite fast.

#### G. Roland

G. Roland, Professor, Austin

Answered Jan 24, 2019

Cathode ray tubes are technology used to ultimately procure a picture. A cathode ray tube takes an incoming electronic signal and turns it into an electron stream, which creates an image he combined with certain substances. More specifically, negative electrons are deflected by the cathode to positively charged plates. The larger the picture, the greater the deflection; as the cathode ray moves horizontally across a scene. Sound familiar?

Cathode ray tubes are the most common technology used in computer monitors and televisions. For this reason, the signal needs to be constantly refreshed even if the colors don’t change. Cathode ray tubes are a less expensive alternative to LCD or plasma screens. They are also used in various medical monitors and oscilloscopes. So, electrons are not just a part of cathode ray tubes, they are everything needed to make it functional. Without electrons, cathode ray tubes would be useless and have nothing to produce.

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