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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: - A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- An objective moves ,starting from rest through a resistive medium
- The moment of inertia of a thin circular disc about an axis passing through its centre
- An electron moving in a uniform magnetic field of induction of intensity B,
- The force of repulsion between two electrons at a certain distance is F.
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- An objective moves ,starting from rest through a resistive medium
- The moment of inertia of a thin circular disc about an axis passing through its centre
- An electron moving in a uniform magnetic field of induction of intensity B,
- The force of repulsion between two electrons at a certain distance is F.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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