Which part of the cpu is damaged due to high current

why? school question?

The very important parts.

Hi  

By the way , tell your teacher he means AMPERAGE not current...

All the best Brett  

Probably the area of the processor that was performing the calculations at the time of the over current/voltage spike? I suppose it depends on the architecture of the processor itself (i.e. what processor do you have and what socket is it)? Oh wait, I think I know what you mean, I'm thinking it's the L3 cache or the general purpose registers that are damaged during, say, overclocking or voltage spike.

the simple answer is the 'the transistors'

Ah, there you go.

And yes I know that this is in no way helpful, but it is absolutely precise, useless but precisely correct