Question

$<b><marquee>$☺ How we assign the direction of magnetic field? ☺​

Answer 1

Answer:

The magnetic field produced by an electric current is always oriented perpendicular to the direction of the current low.

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Answer 2

Answer:

the historical convention has been to assign the magnetic field at the North pole of the earth to be the 'north pole' of it's magnetic field . In a compass , the arrowed end of the needle will point to the north . This means that the arrowed end of the compass needle is a South pole , since opposite poles attracts .

Explanation:

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