Tag Archive for 'variable-resistor'

Pencil Resistor

Published in Science at Home and Lesson Plans. Tags: , , , , , , , , .

Materials

  • 6 Volt lantern battery or DC power supply
  • alligator clip wires (3)
  • small 6V light bulb
  • small light bulb holder
  • pencil
  • razor blade

Continue reading ‘Pencil Resistor’

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