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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
MCQ
A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:
  • A
    Will decrease.
  • ✓
    Will increase.
  • C
    Will become zero.
  • D
    Will remain the same.
✓

Answer

Correct option: B.
Will increase.

If a soft iron bar is inserted inside a current-carrying solenoid, the magnetic field inside the solenoid will increase.

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