The magnetic eld inside a solenoid is if its interior

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Unformatted text preview: is A) up☝ B) down☟ C) inward ⊗ D) outward ⊙ E) zero I 3. The magnetic field inside a solenoid is ___ if its interior is filled with iron. A) stronger B) unchanged C) weaker 4. The magnetic field outside this infinite solenoid A) points up B) points down C) is zero D) points inward I 5. A bar magnet is to the left of a circular wire (with no battery or anything, just a bit of metal). Is there a current flowing through the wire? A) Yes B) Only if the magnet is moving C) No 6. Would you like an extra point? A) Yes B) No S N...
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