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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 relationship between decay constant λ and half-life T of a radioactive substance is
- Magnetism of a magnet is due to
- A common emitter amplifier gives an output of 3 V for an input of 0.01 V.
- If a spring of spring constant k stretched by a length x under tension T, the energy
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The relationship between decay constant λ and half-life T of a radioactive substance is
- Magnetism of a magnet is due to
- A common emitter amplifier gives an output of 3 V for an input of 0.01 V.
- If a spring of spring constant k stretched by a length x under tension T, the energy
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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