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More cards in this set
Card 16
Front
what happens is a north pole is brought next to a south pole?
Back
Card 17
Front
how are electromagnets created?
Back
Card 18
Front
what happens because a soft iron core is used for an electromagnet?
Back
Card 19
Front
where can electromagnets be used due to their not permanent magnetism?
Back
Card 20
Front
what kind of magnetic field can a single, straight wire carrying an electric current cause?
Back
Card 21
Front
what shows where field lines are strongest?
Back
Card 22
Front
what can change the strength of the field in circuit?
Back
Card 23
Front
what would a diagram with field lines going to the left show about where the current is directed?
Back
Card 24
Front
what are electric effects caused by?
Back
Card 25
Front
how do like charges react?
Back
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