Question

when a soft iron rod is inserted inside asolenoid​

Answer 1

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• When a soft iron rod also known as the core is inserted inside a solenoid then the strength of the magnetic field increases because the iron ore gets magnetized due to magnetic induction and this combination of the solenoid and the soft iron core is called an electromagnet.

Answer 2

Answer:

hot iron . you know when a iron is hot and mara gaya with a hatora then it makes me.