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Crossed E & B Fields (Velocity Selector) Lab

Explore simultaneous Lorentz and Coulomb forces. Balance fields to filter particles at velocity v = E/B.

Crossed Fields Engine Active
Particle Parameters
+1q
2v
2m
Electric Field (E)
2E
Electric Direction
Magnetic Field (B)
2B
Magnetic Direction
Execution Deck
Predictive Equilibrium Deck
Target Filter Speed (E/B): 1.00v
Net Vertical Force Ratio: F_net = 0
NET DEFLECTION None (Straight)
FILTER STATE Equilibrium
Crossed Field Analysis Guidelines Disappears during active firing sequence
  • 1. Toggle or adjust individual Electric (E) and Magnetic (B) environments independently.
  • 2. Configure vector fields oppositely (e.g., E Downward, B Into Page) to check for balancing states.
  • 3. When forces match (F_E = F_B), a specific filter speed satisfies v = E/B, passing perfectly straight.