bannat802
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HELP ASAP!!!!! 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.

Respuesta :

3 is the right answer because it increases it's strength



Answer:

its C

Explanation: