If we reverse the direction of electric current, then the direction of the magnetic field will be

If we reverse the direction of electric current, then the direction of the magnetic field will be

اگر ہم برقی رو کی سمت کو ریورس کرتے ہیں، تو مقناطیسی میدان کی سمت کیا ہوگی۔
Explanation

the direction of the magnetic field lines gets reversed when the direction of the current flowing through the conductor is reversed.

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