SHOW ME THE PHYSICS
3D SOLENOID ELECTROMAGNET
CIRCUIT
−
Switch: ON
⇄ Reverse
Current (I)
3.0 A
−
+
Wire Turns (N)
20 turns
−
+
CORE
−
Insert Core ➜
Or grab the core and slide it in or out.
MAGNETIC FIELD INSIDE THE COIL
0.00
mT
Turns:
20
Current:
3.0 A
Core:
Air
Core boost:
×1
Flux lines:
0
B = μ
0
(N / L) I × core boost (L = 10 cm)
TARGET CHALLENGE
Hits:
0
Make the field:
0.00
mT
weaker
stronger
Hint
New Target
VIEW
3D
Front
Back
Top
Bottom
Left End
Right End
ZOOM
+
−
Flux Lines
Compasses
N / S Poles
Electron Flow
Reset
Drag to rotate • Scroll / pinch to zoom • Right-drag (two fingers) to slide the view • Drag the core in and out