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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
Why does a current carrying freely suspended solenoid rest along a particular direction?
  • A
    It points towards the geometric poles of the earth
  • ✓
    A current carrying solenoid behaves like a bar magnet
  • C
    It points in the direction of the flow of current
  • D
    None of the above
✓

Answer

Correct option: B.
A current carrying solenoid behaves like a bar magnet
When a bar magnet is suspended freely it will come to rest along the direction of the earth's magnetic field. The magnetic field lines that are produced by the solenoid are similar to that of the bar magnet and behaves like a bar magnet.

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