Question

what name is given to the combination of solenoid and a soft iron core​

Answer 1

Answer:

It has been found that if a soft iron rod called core is placed inside a solenoid, then the strength of the magnetic field becomes very large because the iron ore is magnetized by induction. ... Thus, an electromagnet consists of a long coil of insulated copper wire wound on a soft iron core.

Answer 2

Answer:

when a soft iron piece kept inside a current carry solenoid then it is known as elecromagnate..