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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 component of vector A=2i+3j along the vector i+j is
- The angle of incidence at which reflected light is totally polarised for refraction
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
- The output of an AND gate is connected to both the inputs of a NOR gate,
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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