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A transistor-oscillator using a resonant circuit with an inductor L (of negligible resisitance) and a capacitor C in series produce oscillations of frequency f. If L is doubled and C is changed to 4C, the frequency will be
Options
(a) f/2
(b) f/4
(c) 8f
(d) f/2√2
Correct Answer:
f/2√2
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The half-life of a radioactive substance is 30 min. The time (in minutes) taken
- The current through an inductor changes from 3 A to 2 A is 1 m/s. If induced e.m.f.
- In a common emitter (CE) amplifier having a voltage gain G, the transistor
- The magnetic field in a certain region of space is given by B =8.35×10⁻² Î T.
- In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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