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What is the negatively charged electrode of a cathode ray tube?
The negatively charged electrode of a cathode ray tube (CRT) is the cathode. The tube is a cathode ray tube, and electrons stream off the cathode, are accelerated across the evacuated space and "directed" either electromagnetically or electrostatically, and then strike the phosphor coating on the positively charged anode at a "location" determined by the "directing" elements.
How are cathode rays originated?
its negatively charged particles of matter,Thomson knew that opposites attract but these the positive charged anode,so he reasoned that the paticles must be negatively charged! : )! Wooooo! Go J.J Thomson
Cathode rays were shown to be a stream of?
Cathode rays are electrons.
What is meant by anode and cathode?
Anode is positive electrode which attracts the negative anions while cathode is the negative electrode which attracts the positive cations during electrolysis.
I don't understand. What are anodes and cathodes Positive or Negative I keep seeing different answers everywhere Thanks.?
It can be complicated depending on the type of cell one is looking at. However, here is my simple explanation.The anode is the electrode where the oxidation reaction takes place, and oxidation is the loss of electrons, so in a galvanic cell the anode is a source of free electrons and so it is negatively charged.The cathode is the electrode where reduction takes place, and reduction is the gain of electrons, so in a galvanic cell the cathode is positively charge and ready to accept negatively charged electrons.Now, the anode isn't always negative and the cathode isn't always positive. It has to do with the direction of current flow (anode = current in, cathode = current out). In an electrolytic cell, the charges on the anode and the cathode are reversed from that seen in a galvanic cell.
Why is the beam of light called a cathode ray?
The beam of light is known as a cathode ray because historically it was produced in vacuum tubes by directing a stream of electrons from a negatively charged electrode (cathode) towards a positively charged electrode (anode), leading to the term "cathode ray." It was named so in reference to the electrode from which the electrons originated.
What is the difference between the cathode and anode in an electrical circuit?
In an electrical circuit, the cathode is the negatively charged electrode, while the anode is the positively charged electrode. The cathode attracts electrons, while the anode releases electrons.
What is the difference between a cathode and an anode in terms of their functions in an electrical circuit?
In an electrical circuit, the cathode is the negatively charged electrode where electrons flow out, while the anode is the positively charged electrode where electrons flow in. The cathode emits electrons, while the anode receives them.
Is cathrone rays steams of electron?
yes, cathode rays are streams of electrons
What is the difference between a cathode and an anode in an electrical circuit?
In an electrical circuit, the cathode is the negatively charged electrode, while the anode is the positively charged electrode. The flow of electrons is from the anode to the cathode.
What type of electrode is a cold cathode?
Cold cathode is a cathode, an electrode that emits electrons, which is not electrically heated by an element. Cold cathodes are used in gas discharge lamps such as neon lamps and discharge tubes.
Difference between direct and indirect cathode ray?
In a directly heated cathode, the filament is the cathode and emits the electrons. In an indirectly heated cathode, the filament or heater heats a separate metal cathode electrode which emits the electrons.
What is the cathode of a galvanic cell made with magnesium and gold?
the gold electrode
What is the negative electrode of a voltaic cell called?
The negative electrode of a voltaic cell is called the anode. It is where oxidation occurs as electrons are released into the circuit.
What does a cathode do in a circuit?
A cathode in a circuit is a terminal where electrons flow out of the device. It is the negative electrode and is responsible for attracting positively charged ions.
What is Annode and Cathode in Chemistry?
In chemistry, the anode is the electrode where oxidation occurs during an electrochemical reaction, while the cathode is the electrode where reduction occurs. Electrons flow from the anode to the cathode. This process is essential in batteries, electrolysis, and other electrochemical systems.
What direction do electrons flow in a electrolytic cell?
Electrons flow from the negative electrode (cathode) to the positive electrode (anode) in an electrolytic cell. This is the opposite direction of conventional current flow.
