alleryStart learning →Series RLC resonance occurs when:
AX_L = X_C → ω = 1/√(LC)
BX_L = 0
CR = 0
DAlways
Answer & Solution
Correct answer: A. X_L = X_C → ω = 1/√(LC)
**Resonance:** X_L = ωL = 1/(ωC) = X_C → ω_0 = 1/√(LC).
**At resonance:** Z = R (minimum), current maximum, power factor unity, V_L and V_C cancel (can be much larger than source V!).
Used in radio tuning, RLC filters.
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