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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
- A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
- Masses of three wires of copper are in the ratio of 1:3:5 and their lengths
- A neutron moving with velocity v collides with a stationary particle
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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