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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.
Related Questions: - The pair of quantities having same dimensions is
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The pair of quantities having same dimensions is
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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