An electromagnet works because A) each atom has moving charge (orbiting electrons) - and moving charge generates a magnetic field OB) the electrical current is moving charge (moving electrons) - and moving charge generates a magnetic field OC) moving charge doesn't really generate a magnetic field OD) by magic

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An electromagnet works because
OA) each atom has moving charge (orbiting electrons) - and moving charge
generates a magnetic field
OB) the electrical current is moving charge (moving electrons) - and moving
charge generates a magnetic field
OC) moving charge doesn't really generate a magnetic field
OD) by magic
Transcribed Image Text:An electromagnet works because OA) each atom has moving charge (orbiting electrons) - and moving charge generates a magnetic field OB) the electrical current is moving charge (moving electrons) - and moving charge generates a magnetic field OC) moving charge doesn't really generate a magnetic field OD) by magic
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