a toy train uses a magnetic field to propel it down a track. A series of flat, permanent magnets align the length of both rails of the track. In place of wheels, the train rides an axle that lays across the track. A current flows through the axle at all times. In which direction must the poles of the permanent magnets face in order to propel the train down the rails?
a toy train uses a magnetic field to propel it down a track. A series of flat, permanent magnets align the length of both rails of the track. In place of wheels, the train rides an axle that lays across the track. A current flows through the axle at all times. In which direction must the poles of the permanent magnets face in order to propel the train down the rails?
Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter28: Magnetic Fields
Section: Chapter Questions
Problem 6P: A laboratory electromagnet produces a magnetic field of magnitude 1.50 T. A proton moves through...
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a toy train uses a magnetic field to propel it down a track. A series of flat, permanent magnets align the length of both rails of the track. In place of wheels, the train rides an axle that lays across the track. A current flows through the axle at all times. In which direction must the poles of the permanent magnets face in order to propel the train down the rails?
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