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Helix Shot

This simulation series is based on concept of Helical motion in a magnetic field. A charge that enters a magnetic field at a slant moves on a helix. A helix is a spiral path, like the shape of a spring. The field bends the charge into a circle, while the charge keeps moving forward.

Physics · Class 12 · Helical paths · 6 simulations. For JEE, NEET and your boards.

A picture of the Helix Shot simulation

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What you'll learn

  1. Along the field line A proton circles across a magnetic field. Find the speed along the field that threads a ring after one turn.
  2. Place the ring A proton with a known kinetic energy enters a magnetic field at an angle. Find how far the proton moves along the field in one turn.
  3. Aim for the ring A proton must thread a ring after one turn. Find the launch angle.
  4. Fit the pipe A proton spirals along the axis of a pipe. Find the least magnetic field that keeps the proton off the wall.
  5. Add E along B An electric field acts along the magnetic field. Find where the proton first comes back to its start line.
  6. The third return An electric field acts along the magnetic field. Find where the proton comes back to its start line for the third time.