Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 -7. Alternating current4 Marks
MCQ
Radio frequency choke uses core of
✓
Air
B
Iron
C
Air and iron
D
None of these
✓
Answer
Correct option: A.
Air
a Radio frequency choke uses core of Air because if we insert iron in choke (inductor) it's inductance increases and so will it's impedence which in turn reduces current flow.
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