20. Frequency-Variable Resistance and Lossy Transmission Lines
We have emphasized through this book that there are only three primary passive components: resistors, capacitors, and inductors. Capacitors have an impedance that decreases with frequency, and inductors have an impedance that increases with frequency. Resistors are a special case. Their impedance is constant with frequency. But then in Section 6.11, we briefly introduced the concept of “skin effect,” a phenomenon that causes the resistance of a conductor to at least appear to increase as frequency increases. Section 6.11 also discusses the cause of the skin effect.
It turns out that ...
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