Forces in Everyday Devices
Middle School Science · Flashcards · Recall
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
What happens to the magnetic field direction if the current in a coil is reversed?
QUESTION
What is the magnetic field produced around a current-carrying wire called?
QUESTION
What is the function of the permanent magnet in many small electric motors?
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ANSWER
It provides a steady magnetic field for the coil to push against. Creates the external magnetic field the coil interacts with.
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