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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 work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
- An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source
- A common emitter amplifier gives an output of 3 V for an input of 0.01 V.
- A solid cylinder of mass M and radius R rolls without slipping down and inclined plane
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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