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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
- When a magnet is taken towards a coil, the induced e.m.f. depends on
- A man throws balls with the same speed vertically upwards one after the other
- In a thermodynamic system, working substance is ideal gas. Its internal energy
- When npn transistor is used as an amplifier
- Electrons in the atom are held to the nucleus by
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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