Current/Voltage relationship for a filament lamp? | Physics Forums
The graph of Current (y axis) against Voltage (x axis) can be described as a curve of decreasing gradient in both the positive and negative domains. So the current flowing through a filament lamp is not directly proportional to the voltage across it. This is the graph of current against voltage for a filament lamp. You can record results for currents in the opposite direction by reversing the connections on the lamp. c Analysis. Plot a graph of current/A (y-axis) against.
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- Current-potential difference graphs
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