how series resonant LC circuit is used to provide voltage magnification?
Answers
Explanation:
Voltage Magnification in Series Resonance – If we assume that the voltage applied to the series RLC circuit is V, and the current at resonance is I, then the voltage across L is VL = IXL = (V/R) ωrL. Since , ... The ratio of voltage across either L or C to the voltage applied at resonance can be defined as magnification.
Answer:
Voltage across Capacitor
Note − Series resonance RLC circuit is called as voltage magnification circuit, because the magnitude of voltage across the inductor and the capacitor is equal to Q times the input sinusoidal voltage V.
Explanation:
An LC circuit, oscillating at its natural resonant frequency, can store electrical energy. ... At this point, the energy stored in the coil's magnetic field induces a voltage across the coil, because inductors oppose changes in current.
In series circuit, current is common to both capacitor and inductor, while voltages across these two are equal and opposite, and cancel each other. This is voltage resonance.
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