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OpenStudy (anonymous):

Explain how you can determine the direction of a magnetic field produced by a wire if you know the direction of the current throguh the wire

OpenStudy (anonymous):

Stretch your thumb in the direction of current...and then, try to roll the 4 other fingers....the direction of rolling of the four other fingers is the direction of magnetic field...

OpenStudy (anonymous):

Thank you!!! @Sourav12084

OpenStudy (anonymous):

U r welcome!

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