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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: - If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- Two lenses of power 15 D and -3 D are placed in contact.
- The second overtone of an open pipe is in resonance with the first overtone
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- A boy standing at the top of a tower of 20m height drops a stone
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- Two lenses of power 15 D and -3 D are placed in contact.
- The second overtone of an open pipe is in resonance with the first overtone
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- A boy standing at the top of a tower of 20m height drops a stone
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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