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OpenStudy (korosh23):
A compass placed on a table points north, In which direction should a conductor, placed directly above the compass, carry current in order to reverse the direction of the compass needle? a. east to west b. west to east c. north to south d. south to north
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OpenStudy (korosh23):
@Michele_Laino
OpenStudy (korosh23):
|dw:1464201053318:dw|
OpenStudy (korosh23):
We have to use the first right hand rule which has current and magnetic field directions in it.
OpenStudy (korosh23):
so this turns out to be
OpenStudy (korosh23):
|dw:1464201169247:dw|
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