Induction Bench — Interactive 3D Magnetic Field & Faraday Simulator

Induction bench magnet, coil and field, interactive

Magnet moving through coil — Faraday induction active

t 1.8 s step 2.1 ms

Controls drag the magnet in the view

Experiment

Magnet material

Neodymium iron boron, N42 Br 1.30 T

Swing speed 0.30 m/s

Coil wire

Copper wire, 0.5 mm R 2.01 Ω

Turns 200

Coil angle 0°

Core

Battery Voltage off

Fig. 1 Field of the magnet and coil · Section on the plane through the axis

|B| field strength, log scale

1 mT 10 mT 100 mT 1 T

drag magnet horizontally · scroll to zoom

Fig. 2 Oscilloscope ■ CH1 Induced EMF · ■ CH2 Induced current

Fig. 3 Flux linkage Λ against magnet position EMF = −slope × speed