Current Analogy--marble and pins

From UO Physics Demonstration Catalog

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Marble and pins analogy.gif

Description:

A board that has nails or push pins as pegs set-up in staggered rows. The board is set at an angle. A marble is released at the high end and the marble travels down the angled board bouncing off the pegs. This is the model of an electron traveling through a resistor, or a non-ideal conductor

Location:

  • Shelf J-1 or Left of Shelf K