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In an L-C-R series resonant circuit, the capacitance is changed from C to 4C. For the same resonant frequency, the inductance should be changed from L to
Options
(a) 2L
(b) L/2
(c) 4L
(d) L/4
Correct Answer:
L/4
Explanation:
We know that, In L-C-R circuit, f = (1 / 2π) √(1 / LC) For the same resonant frequency, the inductance should be changed from L to (L / 4).
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
- The coefficient of mutual inductance of two coils is 6 mH. If the current flowing
- A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- Alternating current cannot be measured by D.C Ammeter because
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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