Question

state a law which determines the direction of magnetic field around a current carrying wire​

Answer 1

Answer:

The rule is called the Right-hand Thumb rule.

It states that,If you imagine that you are holding a current-carrying conductor in your right hand and if the thumb points in the direction of the current,then your fingers will curl around the conductor in the direction of the magnetic field lines.

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Answer 2

Fleming's left hand rule of magnetic strength and right hand grasp rule