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Which happens to the magnetic field of a wire when you change the direction of the current in the wire? A)It becomes stronger. B)It becomes weaker. C)It changes direction too. D)It stays the same.
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Hello @essence.a and Welcome to OpenStudy! :) I personally don't know the answer to your question, maybe if you asked your question in the Physics Section, you will get a quicker and faster answer! http://openstudy.com/study#/groups/Physics
oh right logic says that changing direction of the current should change the direct of the magnetic field but since I am failing Physics, don't believe me :P
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