when the direction of a current is reversed, what happens to the magnetic field that was created by the…

when the direction of a current is reversed, what happens to the magnetic field that was created by the current?\nthe strength of the magnetic field is decreased.\nthere is no effect on the magnetic field.\nthe direction of the field lines are reversed.
Answer
Brief Explanations:
Motion is relative to a frame of reference. The sun is in constant motion relative to Earth; from its perspective, the stationary swimmer (on Earth) will appear to move as Earth rotates and orbits the sun. From the fan in the stands or the pool (both fixed relative to the swimmer's starting position), the swimmer appears stationary before starting.
Answer:
From the perspective of the sun