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bharatsmile2007,
Dynamic impedance is the slope of the voltage vs current curve. For example, with a diode, You might have a voltage of 0.6V and a current of 1mA. Voltage divided by current yields 600 Ohms. However, the slope of the i vs v curve at this point might be 60 Ohms. A quick look at the v vs i curve of a diode will make this more apparent.
Regards,
Kral
Kral, your definition is right for the dynamic resistance. I'm not sure if it is the same for a dynamic impedance?... The impedance always means AC signals and is frequency dependent.
The impedance of a circuit having an inductance and a capacitance in parallel at the frequency at which this impedance has a maximum value. Also known as rejector impedance.
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