In a series RLC circuit, at resonance, the impedance is equal to which of the fo

In a series RLC circuit, at resonance, the impedance is equal to which of the following? (2020)

In a series RLC circuit, at resonance, the impedance is equal to which of the following? (2020)

Step 1: Understand what a series RLC circuit is. It consists of a resistor (R), an inductor (L), and a capacitor (C) connected in a series.
Step 2: Know what resonance means in this context. Resonance occurs when the frequency of the source matches the natural frequency of the circuit.
Step 3: At resonance, the inductive reactance (XL) and capacitive reactance (XC) are equal. This means they cancel each other out.
Step 4: Since XL and XC cancel each other, the total impedance (Z) of the circuit is only due to the resistance (R).
Step 5: Therefore, at resonance, the impedance (Z) is equal to the resistance (R).

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