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4 cards from this section. Quick, good the night before a test.
What are the two types of magnetic poles?
Think about the ends of a magnet.
Which material is classified as ferromagnetic?
Consider common metals.
Which two poles of a magnet repel each other?
Consider how magnets behave.
True or False: The Earth's magnetic field is perfectly aligned with its geographic poles.
Think about how the compass points.
A magnetic field strength is 2 Tesla. Calculate the magnetic force acting on a wire carrying a current of 5 Amps and having a length of 0.6 m in the field, placed at an angle of 60 degrees.
Remember to use the sine of the angle.
Explain how an MRI machine uses electromagnetism to create images of the body.
Think about how the internal structures of the body respond to magnetic fields.
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