Oersted's effect

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Back to 5K - Electromagnetic induction
PIRA index: 5H10.20

Description

A current passing through a wire creates a magnetic field around it.

Equipment

  • Short wire
  • Compass
  • DC Power supply (10 A)
  • Push button with 1 Ohm resistances.

Instructions

  • Plug the power supply to the wire through the push buttons with the 1 Ohm resistance
  • Place the compass above or below the wire
  • Push the button for a few seconds and watch the needle move

Keywords

Images & Movies

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