HSC Science (General) 12th Board ExamMaharashtra State Board
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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. - HSC Science (General) 12th Board Exam - Physics

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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 × 10−3H,
C = 50 µF = 50 × 10−6F
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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APPEARS IN

 2013-2014 (October) (with solutions)
Question 6.7 | 2.00 marks

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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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