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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: - An explosion blows a rock into three parts. Two parts go off at right angles to each other
- The electric field in a certain region is acting radially outward and is given by E=Ar.
- When a metallic surface is illuminated with radiation of wavelength λ,
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An explosion blows a rock into three parts. Two parts go off at right angles to each other
- The electric field in a certain region is acting radially outward and is given by E=Ar.
- When a metallic surface is illuminated with radiation of wavelength λ,
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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