how does adding an iron bar to a solenoid affect the magnetic field of the electromagnet?\nit changes the…

how does adding an iron bar to a solenoid affect the magnetic field of the electromagnet?\nit changes the magnetic field to a current.\nit changes the magnetic fields direction.\nit increases the magnetic fields strength.\nit decreases the magnetic fields strength.
Answer
Brief Explanations:
Iron is a ferromagnetic material. When placed inside a solenoid, the iron atoms align with the magnetic field of the solenoid. This alignment of magnetic - domains in iron enhances the overall magnetic field, increasing its strength.
Answer:
It increases the magnetic field's strength.