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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 and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV,
- A body of weight W newton is at the surface of the earth.
- A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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