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Alternating Current — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsAlternating Current1 Mark
MCQ
Radio frequency choke uses core of
  • ✓
    Air
  • B
    Iron
  • C
    Air and iron
  • D
    None of these
✓

Answer

Correct option: A.
Air

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