#### Question

An A.C. circuit consists of inductor of inductance 125 mH connected in parallel with a capacitor of capacity 50 μF. Determine the resonant frequency.

#### Solution

L = 125 mH = 125 × 10^{−3}H,

C = 50 µF = 50 × 10^{−6}F

fr = ?

We have,

= antilog [log (400) – log (6.28)]

= antilog [2.6021 – 0.7980]

= antilog [1.8041]

∴ fr = 63.69 Hz

The resonant frequency in the A.C. circuit is 63.69 Hz.

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Solution An A.C. Circuit Consists of Inductor of Inductance 125 Mh Connected in Parallel with a Capacitor of Capacity 50 μF. Determine the Resonant Frequency. Concept: Resonant Circuit.

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