Description
a 12V LED source on a US plug
Two borosilicate-glass flask electroscopes with discs
Wear-replacement timer switch for the goggle sanitizer cabinet
Safety-plug 150mm black 4mm-stackable lead rated to 12A with shrouded contact pins
Resistor Demonstration Board Geology a 12V LED source onDesigned to teach Ohm's law and current limiting behavior, this resistor module on a demonstration base with 4mm plug connections drops into series with bulbs and LEDs in student circuits.
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