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photon79
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what does it really mean by saying that "electrons cannot follow the applied A.C field!" ?? (hence the wave vector is complex!)
Please state the source.photon79 said:what does it really mean by saying that "electrons cannot follow the applied A.C field!" ?? (hence the wave vector is complex!)
Electrons have a certain mass and velocity, and they need time to change direction and accelerate. The frequency of the applied A.C field is usually too high for electrons to keep up with, causing them to lag behind and not follow the field.
If electrons cannot follow the A.C field, it can cause problems for electrical devices that rely on the movement of electrons. This can lead to malfunctions or damage to the device.
In some cases, such as very low frequencies or very high voltages, electrons may be able to follow the applied A.C field. However, this is not always the case and it depends on the specific circumstances.
Yes, in some cases it can actually be beneficial for electrons not to follow the A.C field. This is because it allows for the creation of alternating current, which is necessary for the functioning of many electrical devices.
Scientists use various techniques such as simulations, experiments, and mathematical models to study the behavior of electrons in relation to A.C fields. This allows them to understand and predict how electrons will behave in different situations.