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What do you mean by the impedance of LCR...

What do you mean by the impedance of `LCR`-circuit

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Impedance: It is the effective resistance offered by the element series `LCR` circuit `Z=sqrt(R^(2)(omegaL-1/(omegac))^(2))`
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RESONANCE-ALTERNATING CURRENT-Exercise -3 Part-3
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  17. In an alternating circuit applied voltage is 200V, if R=8W X(L)=X(C)=6...

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