why can you touch both sides of a 9V battery, you can even do it with a wet tongue and hardly get shocked, but a taser with that same battery can knock you out?
In: Chemistry
Tasers use circuits to
* increase the voltage (some models go to 50 000 volts)
* store the electricity from the battery in capacitors that can build up a charge over time and release it all very quickly
There are DIY taser type circuits on line if you want to see what the circuits can look like
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