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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
- In the reaction ₁²H+₁³H+₂⁴He+₀¹n, if the binding energies of ₁²H,₁³H and ₂⁴He
- The ultimate individual unit of magnetism in any magnet is called
- The moment of inertia of a thin circular disc about an axis passing through its centre
- A body of weight W newton is at the surface of the earth.
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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