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OpenStudy (anonymous):
An electromagnet can be made by wrapping wire around which object? A. http://static.k12.com/calms_media/media/1366500_1367000/1366846/1/3c3c01370e703885f99518523626e27a5aaa2d06/MS_PHYS_SCI_287608_B.jpg B. http://static.k12.com/calms_media/media/1366500_1367000/1366845/1/6ab7c2e4dae277fd61a44e8701326f52a68e0cec/MS_PHYS_SCI_287608_A.jpg C. http://static.k12.com/calms_media/media/1366500_1367000/1366847/2/aaf721d2f2046d483b8cdbcbc04420e34435d8d4/MS_PHYS_SCI_287608_C_rev1.jpg
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OpenStudy (anonymous):
OpenStudy (yolo_king):
What do you think?
OpenStudy (anonymous):
A or D
OpenStudy (anonymous):
should be soft iron core.. coz the susceptibility of iron core is high
OpenStudy (yolo_king):
Neither of them are right. Its actually C the Nail because what happens is |dw:1425577626813:dw|
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