By reversing the direction of current in a wire, the magnetic field produced by it:

gets reversed in direction

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increases in strength

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decreases in strenght

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remains unchanged in strength and direction

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Solution

The correct option is A gets reversed in direction
The direction of magnetic field in a current carrying wire is perpendicular to the wire and in the direction your fingers curl if you wrap your right-hand around the wire with your thumb in the direction of current. Thus, if current is reversed, the direction of magnetic field is also reversed.

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