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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: - The electric resistance of a certain wire of iron is R. If its length and radius
- 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The electric resistance of a certain wire of iron is R. If its length and radius
- 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
- Tangent galvanometer is used to measure
- The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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