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Distinguish between Ohmic and non-ohmic substances; explain with the helpof example.DC current flows in a metal piece of non-uniform cross-section. Which of thesequantities remains constant along theconductor: current, current density ordrift speed?219 |
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Answer» The MAIN difference between an OHMIC and a non-Ohmic conductor is whether they follow Ohm's law. An Ohmic conductor would have a linear relationship between the current and the voltage. With non-Ohmic CONDUCTORS, the relationship is not linear. A GOOD example of an Ohmic conductor is the resisto |
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