What is the condition for resonance is L-C-R circuit? What is the impedence of L-C-R circuit in resonance ?
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There are formulas for this, which I suggest you look up, as well as the justification for them.
The key thing to remember is that at resonance, the definition is that the reactive components cancel out. That is, the magnitude of the inductive reactance (jL-omega) is equal to the reactance of the capacitive reactance (-j/c-omega).
So, big hint… if those cancel out… what’s left? The resistance.
The key thing to remember is that at resonance, the definition is that the reactive components cancel out. That is, the magnitude of the inductive reactance (jL-omega) is equal to the reactance of the capacitive reactance (-j/c-omega).
So, big hint… if those cancel out… what’s left? The resistance.
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