An important law to develop the relationship between current, voltage and also resistance was given by Georg Ohm which was called as Ohm’s regulation which is offered as follows- 

V= ns * RWhere V means voltage, ns for current and also R because that resistance.

You are watching: Give an example of an ohmic device

While developing the electrical tools it is important to save in psychic the ohm’s regulation such that the current and voltage the them room within specifications. One such device is a conductor that functions on the connection of current, voltage and resistance. An electrical maker that is capable of passing a existing through it is termed as a conductor.Conductors room of two types namely, ohmic conductors and also non-ohmic conductors. Ohmic conductors room the conductors that follow Ohm’s regulation that is their resistance remains the same on an altering the current and also voltage. Non-ohmic conductors space those that execute not monitor ohm’s regulation which method that your resistance transforms with transforming current and also voltage.

Ohmic vs Non-Ohmic Conductors

The difference between Ohmic and Non-Ohmic conductors is that the ohmic conductors room the ones that follow Ohm’s law, the is, they have actually a constant resistance when the current across them is boosted or the voltage in them is differed while non-ohmic conductors room those that execute not follow ohm’s law, the us, your resistance varies through varying conditions of current, voltage and temperature.


Comparison Table in between Ohmic and also Non-Ohmic Conductors

Parameter of ComparisonOhmic Conductors Non-Ohmic ConductorsBasic definitionThe ohmic conductors follow ohm’s law, which suggests that the resistance of the conductors remains consistent on varying current and voltage.The non-ohmic conductors perform not monitor ohm’s law, that method the resistance the the conductor varies on share current, voltage and temperature.Relationship in between current and voltageIn the ohmic conductors, the current and voltage are straight proportional to each other, the is, there is a linear relationship between current and voltage.In the non-ohmic conductors, the current and also voltage room not straight proportional to one another, that is, current and also voltage have a non-linear relationship between them.The slope between current and also voltageThe slope between current and voltage in ohmic conductors is a directly line.The slope between the current and also the voltage in non-ohmic conductors is not straight yet a bent line.Effect on temperature variationsConductors follow ohm’s regulation when the temperature is in the variety for i beg your pardon the conductor has been made however as the temperature increases, ohmic conductors additionally behave together non-ohmic conductors.In non-ohmic conductors, the resistance the the conductors varies according to the variation in the temperature.ExamplesExamples the ohmic conductors room metals, resistors, nichrome wires, etc.Examples that non-ohmic conductors space diodes, semiconductors, electrolytes, thyristors, transistors, filament lamps, etc.

What are Ohmic Conductors?

The ohmic conductors follow ohm’s legislation implying that the resistance the the conductor remains continuous while varying current and voltage. In other words, it have the right to be said that the relationship in between the current and the voltage is linear.When plotted on a graph, the steep of the current and also voltage for ohmic conductors comes the end to be a directly line. Among the limit of the ohmic conductors is that they lose their properties once they are operated in ranges various other than specified. They have the right to also breakdown if the current used is out of range.The instances of the ohmic conductors are metals, resistors, etc. As soon as the current flows v the resistor, that is straight proportional to the voltage or it can be said that they have a linear relationship. 

What are Non-ohmic Conductors?

The non-ohmic conductors space those which do not follow ohm’s law. Not following ohm’s law means that your resistance is variable, it different according come the change in current, voltage the temperature. The relationship between current and voltage in non-ohmic conductors is not linear.

Graphically speaking, the steep of the current and also voltage because that non-ohmic conductors is not a right line yet it is a bent line. The nature of non-ohmic conductors additionally vary follow to the readjust in temperature.The examples of non-ohmic conductors room diodes, transistors, thyristors, electrolyte, semiconductors, etc. In filament lamps, if the voltage is continuously increased however the currents doesn’t increase past a details value then it is stated to be non-ohmic.

Main Differences in between Ohmic and also Non-Ohmic Conductors 

Ohmic conductors room those conductors which follow ohm’s legislation while the non-ohmic conductors space the one that does not follow the ohm’s law.In ohmic conductors, the resistance of the conductor remains unchanged on changing the current and the voltage, ~ above the other hand, in a non-ohmic conductor the resistance of the conductor changes on an altering current, voltage or temperature.In an ohmic conductor, the current and voltage are directly proportional to each various other which means they provided a straight relationship, top top the various other hand, in a non-ohmic conductor, the current and the voltage space not directly proportional to each other which method they do not have actually a direct relationship among them.While plot the graph the current and voltage, the slope in ohmic conductors is a right line vice versa, the steep in non-ohmic conductors is a bent line.Conductors monitor ohm’s legislation only in the temperature range for i m sorry they space designed, they shed their properties once operated top top a higher temperature i m sorry is more than the specified range while in non-ohmic conductors the resistance the the conductor varies with the differing temperature.Examples the ohmic conductors room metals and resistors if the examples of non-ohmic conductors are diodes, transistors, semiconductors, etc.

See more: Video: What Does The D In Tenacious D Stand For Something Scandalous?!


Both the conductors, whether ohmic and non-ohmic, have their particular functions and purposes. However, ohmic conductors may lose their properties once operated on various ranges therefore it i do not care really crucial to examine their properties before application.

Page Contents1 Ohmic vs Non-Ohmic Conductors2 to compare Table between Ohmic and Non-Ohmic Conductors3 What space Ohmic Conductors?4 What space Non-ohmic Conductors?5 key Differences in between Ohmic and also Non-Ohmic Conductors 6 Conclusion7 References