# Illustration Different resistances - different slopes (U-I characteristics)

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Voltage-current characteristic of an ohm conductor (U-I characteristic) for two resistors of different sizes $$R$$. Ohmic conductors are characterized by the fact that voltage is proportional to current. This results in a straight line in the diagram. The slope of the straight line corresponds to the electrical resistance $$R$$.

The greater the resistance, the steeper the straight line.