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The impedance of a component (inductor or capacitor) will change with frequency - resistor impedances will not.

Inductor impedance - j*w*L

Capacitor impedance - 1/(j*w*C)

L = inductance, C = capacitance, j = i = imaginary number, w = frequency in radians

The actual inductance and capacitance does not change with frequency, only the impedance.

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