Open and Closed Loop Lenz's Law Apparatus Capacity_125mL 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

sized for high-turn-count solenoid construction where 500g of fine wire feeds multiple project builds

Used to set a tuning fork ringing without bruising its tines

this adjustable board accommodates specimens for butterfly

fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction

Open and Closed Loop Lenz's Law Apparatus Capacity_125mL pairing a six-step 0 toOpen and closed aluminum loops of identical 1. 82 inch inner and 1. 98 inch outer diameter sit on a needle supported balance bar, demonstrating Lenz's law through asymmetric induced current behavior.