What is the nature of graph of an ohmic conductor.
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Conductors which obey Ohm's Law have a constant resistance when the voltage is varied across them or the current through them is increased. These conductors are called ohmic conductors. A graph of the current vs. ... This is because the resistance of some conductors changes as their temperature changes.
Most conductors are ohmic, which simply means they follow Ohm's law: E=IR. A few conductors are non ohmic, which means they conduct but do not follow Ohm's law. Some examples are: filament bulbs, thermistors, diodes, crystal rectifiers, vacuum tubes, and semiconductors.
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