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Resonance in RLC circuit

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What is the impedance of a series RLC circuit at resonance? What is the current in the circuit at resonance?

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Solution Summary

Impedance and current in an RLC circuit at resonance has been explained.

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SOLUTION

In a series LRC circuit :

i) Current I = (Vpeak/Z) sin(ωt+φ) = Ipeak sin(ωt+φ) .......(1)
where :
Vpeak = Peak value of voltage,
Z = Impedance of the circuit,
φ = Phase angle which is negative for an inductive circuit and positive for a ...

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