Learning Hub/Simulation Registry/Physics/HL/Chapter 19

Physics HL

Chapter 19: Motion in Electric and Magnetic Fields

Develop full charged-particle trajectory fluency in uniform electric fields, uniform magnetic fields, and crossed fields, then connect those models to q/m measurements, velocity selectors, and accelerator beam control.

1 simulation entries

Simulation: Electric-Field Trajectory Studio

Launch electrons, protons, or alpha particles between plates and test when trajectories stay clear, strike plates, or exit with strong angle change.

Appears in: 19.1 Motion in Uniform Electric Fields, 19.2 Motion in Uniform Magnetic Fields, 19.3 Magnetic Work, Helical Motion, and Spiral Paths, 19.4 Crossed Electric and Magnetic Fields, 19.5 Beam Applications, Charge-to-Mass Ratio, and Cyclotron Logic

plateplateinitial velocity (green), final velocity (orange), trajectory (yellow)

Vertical acceleration

-1.15e+11 m/s^2

Time in field

5.75e-8 s

Vertical displacement

1.66 cm

Exit angle

5.87 deg

Delta kinetic energy

-3.20e-18 J

Plate status

Exits between plates

Final speed

2.80e+6 m/s

Work-energy check

Field does work