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4 cards from this section. Quick, good the night before a test.
What are the two types of poles in magnets?
Think about where the magnet points.
Name a ferromagnetic material.
It's used in many tools and structures.
What do like poles of magnets do?
Consider how magnets interact with each other.
True or False: A diamagnetic material is attracted to a magnet.
Think about the classification of materials.
An electrical engineer is designing a new electric motor. If they use a coil of wire with a current of 10 Amps in a magnetic field of strength 1.5 Tesla at an angle of 90 degrees, what will be the force on the wire?
Recall that sin(90) equals 1.
A set of educational labs is exploring electromagnetic induction. They require a setup where a coil is moved through a magnetic field. Explain how the speed of this movement would affect the induced current.
Think about how quicker changes impact the induced current.
7 more questions in this section. Enroll free to practise them all.
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