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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
- Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- The maximum number of possible interference maxima for slit-seperation equal to
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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