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Thank you.

How much does the ferromagnetic material amplifies the magnetic field of a Solenoid? Trying to compare between a Solenoid with and without the core.

Thank you all for the effort!

Please do explain. "I second Bill" wouldn't really help me understand much.

Btw, when we compare a Solenoid to an Electromagnet. Is the Electromagnet x2 times stronger than the Solenoid? Can the Solenoid be built in a way to = the Electromagnet?

Its confusing to me now... Lets say we had a Solenoid, it can pull/push a magnet without the trouble of having the magnet attracted to the core. Now, lets we add an iron/steel core. Its magnetized by the current around it. Why should the magnet be attracted to it? Even if the electromagnet is...

Wouldn't the core become magnetized from the current flowing around it?

Due to the current flow, the whole core will turn into a magnet right? I'm worried that if there is a magnet in the system. The electromagnet can't push it away, because the magnet is attracted to the iron/steel core...

Thanks.

Greetings, So, what kind of core is best used in an electromagnet? Is it iron? And is iron the ONLY material commonly used in electromagnets cores?