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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
Magnetic field lines are $ ............ :$
  • A
    Open curves
  • ✓
    Closed curves
  • C
    Both $A$ and $ B$
  • D
    None of the above
✓

Answer

Correct option: B.
Closed curves
Magnetic field lines are closed curves and they do not intersect.

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