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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
- A spring has time period T. It is cut into n equal parts. The time period of each part
- Which one of the following statements is WRONG in the context of X-rays generated
- If an A.C. mains supply is given to be 220 V, what would be the average e.m.f.
- A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- Radii of curvature of a converging lens are in the rato 1:2. Its focal length
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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