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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 bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A geostationary satellite is orbiting the earth at a height of 5R above that surface
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
- Which component of electromagnetic spectrum have maximum wavelength?
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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