alleryPlacing soft iron inside a current-carrying solenoid produces an:
AElectroscope
BElectromagnet
CElectrometer
DElectrophorus
Answer & Solution
Correct answer: B. Electromagnet
1. The strong field inside a solenoid can magnetise material placed in it.
2. Soft iron placed inside the coil becomes magnetised.
3. The magnet so formed is called an electromagnet.
_Source: syllabus Science, Ch 13 'Magnetic Effects of Electric Current'_
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