Ohmic Resistance


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ohmic resistance

[′ō·mik ri′zis·təns]
(electricity)
Property of a substance, circuit, or device for which the current flowing through it is proportional to the potential difference across it.

Resistance, Ohmic

 

an old term for the resistance presented to a direct current by an electric circuit. The Ohmic resistance is the limiting value of the AC, or effective, resistance as ω → 0, where ω is the frequency of an alternating current. The term “Ohmic resistance” emphasizes the fulfillment of Ohm’s law—that is, the existence of a linear relationship between the current and voltage.

References in periodicals archive ?
In battery working process, the battery internal ohmic resistance is changing, and the changing resistance can be expressed as [26]
A zero ohmic resistance on the inner CSRR is used to perform a switch, which on/off states complete tunability between two predicted frequencies.
For example, a connector may post super high insertion ratings based on how many times two pins from the connector can be rubbed together before ohmic resistance from fretting reaches some set parametric level, such as 100,000 insertions to reach a 0.
At the highest frequencies, the ohmic resistance dominates the impedance and log RW can be read from the high frequency horizontal plateau.
As a result of increasing (H/d), the ohmic resistance of electroplated nickel surface was increased and the current value passing through cathode surface was decreased.
s]), which corresponds to the ohmic resistance of the system.
If the voltage pulse width is very short, the erosion takes place very close to the tool (red part in Figure 1), since the ohmic resistance of the electrolyte prevents ablation at areas further away of the tool (blue part) due to the double layer capacitor cannot be sufficiently recharged.
n] represents the ohmic resistance of the cable length (between two consecutive junctions), [C.
Studies indicated that ohmic resistance tended to dominate the plating process with the higher aspect ratio through holes.
Based on the conductive mechanism (15), (18), the electrical conduction in CNF/UPR nanocomposites is mainly composed of two parts: one is Ohmic resistance of CNFs owing to direct contacts between fibers, and another is tunneling resistance determined by the width of the insulating resin layer around CNFs.