Resistor Demonstration Board Geology pairing a six-step 0 to

pairing a six-step 0 to 12V AC line with a continuous 0 to 12V DC line through color-coded lab terminals

a 12V LED source on a US plug

Two borosilicate-glass flask electroscopes with discs

600 turns) and a load hook beneath the core let students isolate the effect of turns from current on electromagnet pull force

Standard-length 300mm black 4mm-stackable safety lead rated to 12A with shrouded nickel-plated pins

Resistor Demonstration Board Geology pairing a six-step 0 toDesigned 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.