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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
- The dimensions of mobility of charge carriers are
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- Time period of the rotation of the earth about its own axis is 24 hour
- A ball is projected upwards from the foot of a tower. The ball crosses the top
- Nickel shows ferromagnetic property at room temperature. If the temperature is
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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