Superior Induction Coil Material_Brass Used to extend the curvature-vs-charge-density

Used to extend the curvature-vs-charge-density study to larger geometries

5mm copper wire on a clear acrylic base support side-by-side comparison of how loop count multiplies the on-axis magnetic field at fixed current

introducing combinational-logic behavior by using physical relays so students can hear and see the gate state in real time

Standard rheostat at 16 ohms and 4A with oxidized constantan winding on a vitreous-enameled steel tube

Mounted thermistor on a demonstration base with 4mm plug connections

Superior Induction Coil Material_Brass Used to extend the curvature-vs-charge-densityImproved design superior induction coil producing a 30mm spark on a molded plastic base, supplying a robust apparatus for electromagnetic induction and high voltage spark generation demonstrations.