Reminds me of something we used to do on purpose when I was in Boy Scouts.
I pulled the transformer out of an old radio. We got all the troop to stand in a big circle around the room while holding hands, and the scouts on either side of me grabbed the input/output wires on the transformer. I then connected a C cell across the power contacts dangling from the transformer.
The idea was to watch everyone in the circle twitch, and see who would let go first.
Note: I was the smart guy holding the transformer and battery, not the input/output wires.
Yes, you would think that a high school kid would know about such things.
