For a particular frequency if the current or the voltage of the circuit is Maximum or Minimum then that circuit is said to be in resonance .
What is meant by resonance and explain the series and parallel resonance? by kathiresan
Series resonance is called voltage resonance because at resonance frequency in a series RLC circuit, the impedance of the inductor and capacitor cancel each other out, resulting in minimum impedance. This causes the total voltage across the circuit to be maximized, leading to a peak in voltage across the components at resonance. This phenomenon is known as voltage resonance because it results in a maximum voltage across the circuit at that specific frequency.
XL=Xc is the resonance condition for an RLC circuit
XL=XC
As a parallel resonance circuit only functions on resonant frequency, this type of circuit is also known as an Rejecter Circuit because at resonance, the impedance of the circuit is at its maximum thereby suppressing or rejecting the current whose frequency is equal to its resonant frequency.
Because the only opposition to current flow is the resistance of the circuit. This is because, at resonance, the vector sum of the inductive and capacitive reactances is zero.
very low current
You are presumably referring to an 'R-L-C' circuit. At resonance, the load current is in phase with the supply voltage and, so, the power factor is unity.
In an L-C-R AC series circuit, resonance occurs when the capacitive and inductive reactances cancel each other out, resulting in minimum impedance. This causes the current in the circuit to be at its maximum and the power factor to be unity. By measuring the frequency at which resonance occurs, one can determine the values of the inductor, capacitor, and resistor in the circuit.
When L is doubled and C is halved in a series tuned circuit, the resonance frequency remains unchanged. This is because the resonance frequency of a series tuned circuit is determined by the formula f = 1 / (2π√(LC)), and doubling L and halving C cancels each other out in this formula, resulting in the same resonance frequency.
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An RLC circuit can affect the amplitude of a signal by either amplifying or dampening it. The circuit can resonate at a specific frequency, causing the amplitude of the signal to increase (in resonance) or decrease (out of resonance) depending on the values of the components. The circuit's impedance at a given frequency dictates how much the signal's amplitude will be affected.