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English, 17.05.2021 22:00 Scourge927

How does adding an iron bar to a solenoid affect the magnetic field of the electromagnet? It changes the magnetic field to a current. It changes the magnetic field’s direction. It increases the magnetic field’s strength. It decreases the magnetic field’s strength.

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How does adding an iron bar to a solenoid affect the magnetic field of the electromagnet? It changes...
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