![Non-ohmic Devices – filament lamp, LED, LDR, diode, V-I graphs, current and potential difference in series and parallel circuits. Non-ohmic Devices – filament lamp, LED, LDR, diode, V-I graphs, current and potential difference in series and parallel circuits.](http://physicsnet.co.uk/wp-content/uploads/2010/06/VI-graph-for-filament-lamp1.jpg)
Non-ohmic Devices – filament lamp, LED, LDR, diode, V-I graphs, current and potential difference in series and parallel circuits.
![Non-ohmic Devices – filament lamp, LED, LDR, diode, V-I graphs, current and potential difference in series and parallel circuits. Non-ohmic Devices – filament lamp, LED, LDR, diode, V-I graphs, current and potential difference in series and parallel circuits.](http://physicsnet.co.uk/wp-content/uploads/2010/06/LDR-graph.jpg)
Non-ohmic Devices – filament lamp, LED, LDR, diode, V-I graphs, current and potential difference in series and parallel circuits.
![SOLVED: Prove that a grain-of-wheat light bulb is non-ohmic because of heating effects by examining the correct graph on the oscilloscope. You are allowed to "cheat" by talking to other groups for SOLVED: Prove that a grain-of-wheat light bulb is non-ohmic because of heating effects by examining the correct graph on the oscilloscope. You are allowed to "cheat" by talking to other groups for](https://cdn.numerade.com/ask_images/40e311d3a21c40a5ad9fd6b865460cfa.jpg)