28. Magnetic Fields and Forces
Magnetic Force on Current-Carrying Wire
3:19 minutes
Problem 27.1
Textbook Question
Textbook Question(II) The force on a wire carrying 6.45 A is a maximum of 1.64 N when placed between the pole faces of a magnet. If the pole faces are 55.5 cm in diameter, what is the approximate strength of the magnetic field?
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