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3 cards from this section. Quick, good the night before a test.
What are the two poles of a magnet?
Think of the points of attraction.
Which materials are strongly attracted to magnets?
Recall the types of magnetic materials.
Which of the following statements about magnetic poles is true?
Think of how magnets behave when close.
True or False: A magnetic field can exist without a magnet.
Consider moving charges as a source of magnetism.
A current-carrying wire is placed in a uniform magnetic field. If the wire experiences a force, what factors influence the magnitude and direction of that force?
Think about the formula F = BIL sin θ.
Explain how the process of magnetization can be reversed. Provide examples of practical methods.
Consider methods related to heat, physical impact, and electrical changes.
6 more questions in this section. Enroll free to practise them all.
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