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Is a Resistor a nonlinear device?

Updated: 8/10/2023
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14y ago

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It is a linear device if it is not a wire wound resistor. These become non linear to AC at high frequencies because of their inherent inductance.

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14y ago
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11y ago

a resistor that varies its resistance

thermistor varies with temperature (most materials do this)

varistor resistance goes down with voltage across it

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10y ago

resistance of it vary

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Q: Is a Resistor a nonlinear device?
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a resistor


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A load line is used in graphical analysis of nonlinear electronic circuits, representing the constraint other parts of the circuit place on a non-linear device, like a diode or transistor. It is usually drawn on a graph of the current vs the voltage in the nonlinear device, called the device's characteristic curve. A load line, usually a straight line, represents the response of a linear circuit connected to the nonlinear device in question. The operating point(s) of the circuit are the points where the characteristic curve and the load line intersect; at these points the current and voltage parameters of both parts of the circuit match


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What is the purpose of a resistor in an electronic circuit If the resistor converts energy to heat then are you wasting energy any time you use a resistor?

In its simplest use a resistor in a circuit is used to limit the amount of current flow, or to decrease the amount of voltage applied to a device. One example is you had a 12 volt battery and you need/ wanted to connect it to a device that ran on 9 volts then a resistor can be chosen to reduce the 12 volts to the 9 volts required.