Asked by Andy
what would happen to the impedance of a series circuit containing an inductor, capacitor and resistor if the supply frequency is varied from 0 to infinity Hz
Answers
Answered by
Steve
At 0 Hz, the capacitor has high impedance
At high Hz, the inductor has high impedance
The circuit's impedance reaches a minimum at the resonant frequency of the LC portion.
The resistor keeps it from ever being zero, to protect the voltage source.
At high Hz, the inductor has high impedance
The circuit's impedance reaches a minimum at the resonant frequency of the LC portion.
The resistor keeps it from ever being zero, to protect the voltage source.
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