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Q: How do electrons get energy in magnetron?
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Is magnetron an element?

A magnetron is a high-power, high frequency vacuum tube. The magnetron is the source of radio-frequency energy in RADAR systems and in the microwave oven in your kitchen, for example.


Is it typical for a magnetron to stop functioning in a microwave?

Eventually - over time the magnetron loses its ability to produce sufficient quantities of electrons (the source of the microwaves cooking ability) to cook food properly.


A cell that requires a lot of energy might contain a large number of what?

magnetron


How does the energy of the core electrons compare with the energy of valence electrons?

The energy of the valence electrons is greater than the energy of the core electrons.


How does the energy of core electrons compare with the energy of valence electrons?

The energy of the valence electrons is greater than the energy of the core electrons.


What is principle of operation of a multicavity magnetron?

Imagine a tuned cavity i.e. a bell. When it is struck, it provides a sound wave of fixed frequency. If it is struck several times a second, it provides the same frequency at a much higher volume. The striking of the bell is known as the pulse repetition frequency (PRF) and it is this that dictates the power output of a magnetron. The dimensions of the cavities govern the output frequency. Instead of striking a magnetron, it is pulsed across its anode and cathode by a high DC voltage. This is the energy input that equates to the striking of the bell. The gap between the cathode and anode is a vacuum. Electrons being emitted by the heated cathode each time it is pulsed or 'struck' transfer the energy to the cavities. These electrons bunch in reaction to the tuned frequency of the cavities, forming spokes circulating the cathode. Eventually, the electrons strike the anode and cause the cavities to 'ring' at the tuned frequency. One of the cavities has a loop that extracts the energy into a coax/waveguide.


Which electrons have the most energy in an energy?

The valence electrons


How does the energy of core electrons compare with energy of valence electrons?

The energy is higher.


How does the energy of core electrons compare with that of valence electrons?

The energy of the valence electrons is greater then the energy of the core electrons.APEX


How does the energy core electrons compare with the energy of valence electrons?

The energy is higher.


How does energy of core electrons compare with the energy of valence electrons?

The energy is higher.


Compare the outermost electrons of an atom with the inner electrons of an atom in terms of energy.?

Outermost have more energy than innermost. As electrons move inward, they release energy.