An electrical circuit consists of a resistor R Ohm inductor H Henry and capacitor C Farad which are connected in series. A voltage with frequency f is applied. Which relation is true during resonance?
ক) f² = 1 / (4πLC)
খ) f² = 1 / (2πLC)
গ) f = 1 / √(LC)
ঘ) f = 1 / (2π√(LC))
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