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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 photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
- If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
- Solar radiation is
- If a carnot engine is working with source temperature at 227⁰C and sink
- A magnetic needle suspended parallel to a magnetic field requires √3J of work
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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