Current-Carrying Wires

Video Index

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• Magnetic Field of Current-Carrying Wire
  Finding the direction of the magnetic field created by a current-carrying wire, with introduction to the right hand rule and a demo of a compass needle responding to the current through a wire.
• Force on Current-Carrying Wire in a Magnetic Field
  Finding the force a magnetic field exerts on a current-carrying wire, with a demonstration of a wire jumping in a strong magnetic field.
• Fields and Forces From Two Current-Carrying Wires
  Forces felt by two parallel current carrying wires, when the currents are in the same or in opposite directions. Includes a demonstration of these forces.
• Motor With Human Commutator
  Creating a motor from a current loop where the current is manually reversed after every 180° of rotation.