LUDO › Simulations › Magnetic Field due to a Current

Amperian Loop

Walk a loop round currents. Add up the field along the way.

Physics · Class 12 · Ampère's law · 8 simulations. For JEE, NEET and your boards.

A picture of the Amperian Loop simulation

Start Amperian Loop →

What you'll learn

  1. Count the current: Ampère's law: count the current inside
  2. A circle round a wire: Ampère's law for a long wire
  3. Inside a thick wire: Inside a thick wire
  4. Half the peak: The B–r graph of a thick wire
  5. Coaxial cable: Two currents, one circle
  6. An open path: An open path round a wire
  7. Tube in a solenoid: Two fields at right angles
  8. Toroid: The toroid