1V DC Interchangeable Dial for Demonstration Meter Waves & Oscillation_Sound & Resonance Used to trace the invisible

Used to trace the invisible shape of magnetic fields

regenerative braking with motor-generator #2

sized for short-pitch breadboard wiring where stackable plugs let multiple leads share a single terminal

Demonstrates how current through a coil produces a controllable magnetic field

supplying the third-color short-reach line in high-current 4mm-socket bench-circuit wiring

1V DC Interchangeable Dial for Demonstration Meter Waves & Oscillation_Sound & Resonance Used to trace the invisibleOne volt DC scale on a 315x115mm laminated panel with sealed multiplier, reconfiguring the demonstration meter as a low voltage voltmeter for single cell and battery pack readings.