You will appreciate this

[Wartex]

[Uncle Vernon]

Very Succinct! Good find!

[FenderBender]

Poor lil amp looks like hes in pain! But yes a good way to think about it!

[Alex]

Thanks alot for this Wartex, is this your own work? I mean, is this protected in any forms?

[Achilles]

..I am quite sure that it is protected. Another thing is if anybody would sue you if you use it (which doesn't mean it's ok to copy it )

It is funny and brings it to the point. Probably a good starting point for beginner courses in electronics.
We were told a water-analogy:

A bucket of water is attached with a waterhose.
The height above ground of the Bucket is the Voltage, the water-flow through the hose is the current and the diameter is the resistance. Somehow I prefer the cartoon-style

[Alex]

Note how all the figures are white male. Nowadays you would have male female, black, yellow, white pffff...

[Achilles]

Note how all the figures are white male. Nowadays you would have male female, black, yellow, white pffff...

yeah, or a disclaimer stating that all persons are fictional and non-human....blablabla
There seems to be some text printed on the backside of the sketch.....

[Mint.]

Excellent! 

[hacklordsniper]

Why they wear socks instead of shoes? If its a stranded cable they will hurt their feet ?

[nzo]

This is great and much better for us visual folks.

[Simon]

Note how all the figures are white male. Nowadays you would have male female, black, yellow, white pffff...

well they are not coloured in and I wouldn't know the sex without.... erm.... looking 

[Wartex]

Thanks alot for this Wartex, is this your own work? I mean, is this protected in any forms?

not mine. use tineye.com to find the original