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Electromagnetism, Magnetic Effects of Electric Current, Electromagnetic Induction — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsElectromagnetism, Magnetic Effects of Electric Current, Electromagnetic Induction1 Mark
MCQ
The power of electromagnet can be increased:
  • A
    by winding solenoid coil over soft and laminated piece of iron
  • B
    by increasing magnitude of current in the coil of solenoid
  • C
    by increasing number of turns in the solenoid
  • ✓
    all of these
✓

Answer

Correct option: D.
all of these
D

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