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## Main Question or Discussion Point

The specific problem I'd like to know is let's say you have Mr electron (E) in a the wire, denoted by "---"

Lets assume 0.5hz AC for now. Below is a snapshot in time of the electron in the wire.

Lets assume "-----" is the physical distance the electron (E) traverses along the wire for each half cycle.

I realize it's probably an over simplification but if that is the general gist of things, my question is, obviously energy was required to move the electron towards the right. That in turn probably pushes another electron to the right as well.

All good so far, but then when the electron comes "back", surely it needs to pull kinetic energy backwards down the wire?

Hence the assumption is the total energy transferred is zero. Conservation of momentum?

Obviously this is not correct, so wondering if someone can explain the flaw :p

Lets assume 0.5hz AC for now. Below is a snapshot in time of the electron in the wire.

Code:

```
1s ------E-------
2s -----------E--
3s-------E-------
4s------------E--
5s-------E-------
```

I realize it's probably an over simplification but if that is the general gist of things, my question is, obviously energy was required to move the electron towards the right. That in turn probably pushes another electron to the right as well.

All good so far, but then when the electron comes "back", surely it needs to pull kinetic energy backwards down the wire?

Hence the assumption is the total energy transferred is zero. Conservation of momentum?

Obviously this is not correct, so wondering if someone can explain the flaw :p