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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
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second
- At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
- An electron of mass m and a photon have same energy E. The ratio of de-Broglie
- Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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