magnetism Flashcards
(3 cards)
1
Q
What is magnet force?
A
Force that is exerted on metals caused by moving electric charges.
Magnets produce fields around them that influence metals like iron, steel, nickel, and ferromagnetic metals.
2
Q
What are magnet field lines?
A
Lines that go from north poles to south poles outside magnets.
They never cross each other. Closer lines indicate a stronger magnetic field.
3
Q
What is electromagnetic induction?
A
Moving electrons cause a magnetic field.
A wire in a changing magnetic field generates current across the conductor.
