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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
- Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies
- As a light wave travels from one medium to another which of its following properties
- What is the energy of He⁺ electron in first orbit?
- The rms current in an AC circuit is 2 A. If the wattless current be √3 A,
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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