LR Circuit

Demo Number 385
Location Shelf 36
Description This is an LR circuit that shows how energy is stored in an inductor.
 Related Demos 386
Tips
  • You will need two banana-alligator cables.
  • There is a 9V battery supplied with the demo. PLEASE ONLY USE THIS AS THE POWER SUPPLY!
  • Procedure:
    • Disconnect the throw switch.
    • Using the two banana-alligator cables, connect the battery to the two terminals located on the bottom left of the board.
    • Now connect the throw switch.
    • Notice what happens:
      • One of the red lights illuminates gradually (~0.5sec).
      • The incandescent bulb also illuminates gradually (~1sec).
    • Now disconnect the throw switch.
    • Notice what happens:
      • Both bulbs turn off.
      • The other red light briefly illuminates.
  • The board has a prop on the back to hold the board up if desired (see the third picture).

Want to check out this demo?

Visit the reservation page!

This Demo is Part of the following Categories: 5J20 LR Circuits