Dull Men's Club
An unofficial chapter of the popular Dull Men's Club.
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Lol I was actually thinking of jury-rigging something together to trigger the dead buttons. I can still set the timer for anything under 9 minutes and 99 seconds, but the "ten minute" button and the "Engage" buttons are stone dead, even when checking the continuity with the tester. I've already got the panel out and will probably fiddle with it this weekend if I got time and see what I can do. I'm not letting my baby go without a fight...partially because I don't want a new microwave, partially because I'm sentimental, and partially maybe I'm just a little bit mental.
Just be careful if you open it up, because I've heard microwaves have capacitors inside that can hold a lethal amount of electricity for months or years since the last time they were plugged in
No capacitor can hold electricity for even hours. That's why we use batteries.
They absolutely can, that's why we often put resistors across so they slowly discharge.
The reason we don't use them as batteries (yet) is their very low energy density. We'd need kgs of capacitors to match a typical phones battery life.
what? capacitors discharge naturally, it's why there has to be a diode to prevent the flow back to the source of charge.
Sounds like you are talking about the entirety of a small circuit?
If the circuit connects both sides of the capacitor, then it will discharge it. But that means the circuit is discharging the capacitor.
If I am, say, putting a capacitor across neutral and live of an ac cord, then I am charging it. Then if I unplug the cord and connect the live and neutral wires, I would be discharging the capacitor.
But ... you don't connect the wires of your plug. They are floating. If one is held at 300V from the capacitor because that was the voltage at the moment I broke the connection, then it will remain at 300V relative to the other forever.
Floating is the default state of disconnection. If I rip the capacitor straight out of the running machine, it will be floating and will usually keep its charge for years. If your remaining circuit doesn't contain something that can drain the capacitor, it will stay undrained.