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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
- If r be the distance of a point on the axis of a magnetic dipole from its centre
- ₆C¹⁴ absorbs an energitic neutron and emits beta particles. The resulting nucleus is
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
- If a carnot engine is working with source temperature at 227⁰C and sink
- In a circuit, L,C and R are connected in series with an alternating voltage source
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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