Thomson's CRT Field Dynamics (v = 0.1c)

Cathode Ray (e⁻ at ~3.0×10⁷ m/s)
[ + ] Positive Plate
[ − ] Negative Plate
↓↑ E-Field Lines
Range: -300 to +300 kV/m
Range: -10 to +10 mT (Matched to cancel at Max E)
Measured Deflection: 0°
Physical Radius of Curvature (r):
State: Pure Linear