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Radiofrequency choke uses core of
Options
(a) Air
(b) Iron
(c) Air and iron
(d) None of these
Correct Answer:
Air
Explanation:
Radio frequencies are higher frequencies. Air core chokes are therefore used.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
- The half life of radium is about 1600 year. Of 100 gram of radium existing now
- Two bulbs when connected in parallel to a source take 60W each, the power consumed,
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
- Imagine a new planet having the same density as that of earth but it is 3 times bigger
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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