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Hi all is there a way apart except for using relays to make a circuit look as if it is open circuit?
Kind Regards
It's true that a repair tech will seldom (never?) encounter a resistor that has failed short. In a production environment, where newly fabricated boards are being tested, solder bridges are not uncommon.when i was at calibration school, one of the instructors had equipment that had DIP switches wired to various components in the equipment for troubleshooting practice..... the instructor could short some components and open others... i had a few words with him, because, except for some extremely rare instances (like a serious meltdown of a wirewound resistor, or internal arcing of a carbon comp) nobody will ever be looking for a shorted resistor.....