5D10.40 - Resistance Model | ![5d1040resistance model](https://websites.umass.edu/plecprep/files/2015/10/5d1040resistance-model-300x225.jpg) | This is a visual model of resistance on a microscopic scale. When the lead ball hits a nail, this represents ... |
5D20.10 - Wire Coil in LN2 | ![5d2010wire_coil_in_ln2](https://websites.umass.edu/plecprep/files/2016/03/5d2010wire_coil_in_ln2-300x169.jpg) | A wire coil is connected in series to a battery and light. When the wire coil is put in the Liquid Nitrogen, the light ... |
5D20.20 - Wire Coil in Flame | No Image | A wire coil is connected in series to a battery and light bulb. When the wire coil is heated up in the ... |
5D40.10, 5K30.50 - Jacob's Ladder | ![5k3050jacobs_ladder](https://websites.umass.edu/plecprep/files/2015/07/5k3050jacobs_ladder-300x225.jpg) | The Jacob's Ladder uses AC voltage with a transformer made of two wire coils in such a way to step up the voltage... |