Large Compass Needle

Details

9BB100 - Passive Magnetic Components

Demo use only

Instances

Instance #296

G2B20A - Demo West (Duane Physics)

Good - Normal Wear Demo use only

Used in these demonstrations

Safety

Oersted's Experiment

Recreates Oersted's 1820 discovery that electric currents produce magnetic fields. A compass needle inside a current loop deflects perpendicular to the loop plane, demonstrating the right-hand rule and the fundamental …

Bernzomatic propane torch on stand heating a copper-constantan thermocouple junction, with compass needle on stand nearby and small beaker of ice water

Safety

Seebeck Effect Oersted's Experiment

Combines the Seebeck effect with Oersted's experiment: heating a copper-constantan thermocouple junction generates a current whose magnetic field flips a compass needle 180°. Demonstrates energy conversion from thermal to electrical …

Reserve This Equipment

Demo use only

This equipment supports lecture demonstrations and cannot be reserved directly — it is assigned automatically as part of a demonstration. To use it, request a demo that includes it.