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A series combination of resistor (R), capacitor (C), is connected to an AC source of angular frequency ω. Keeping the voltage same, if the frequency is changed to ω/3, the current becomes half of the original current. Then the ratio of the capacitive reactance and resistance at the former frequency is
Options
(a) √0.6
(b) √3
(c) √2
(d) √6
Correct Answer:
√0.6
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- A block of mass m is placed on a smooth wedge of inclination θ
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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