Learn AC current and voltage by every electric machine or electronic circuit you know

[Squid]

If your laptop is plugged in to the mains then you are using AC.

When you where 11 and hidden under the duvet knocking one off to dodgy magazines with a torch that was DC current in use.

I should have been a teacher at electrikery school......

 

[ipf]

If your laptop is plugged in to the mains then you are using AC.

When you where 11 and hidden under the duvet knocking one off to dodgy magazines with a torch that was DC current in use.

I should have been a teacher at electrikery school......

No need to get him into friction and static.....

 

[static zap]

Buy a borrow a cheap oscilloscope ,and a cycle dynamo !
("You tube" could actually save you from buying a single thing.)
Then the peak ,-vs- rms lies begin ...
(Maths s why square something -to remove its polarity !-)