How does adding an iron bar to a solenoid affect the magnetic field of the electromagnet?
1)...
How does adding an iron bar to a solenoid affect the magnetic field of the electromagnet?
1)it changes the magnetic field to a current.
2)it changes the magnetic field’s direction.
3)it increases the magnetic field’s strength.
4)it decreases the magnetic field’s strength.
Answers: 1
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