show the current direction for the straight wire
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according to right hand thumb rule if the direction of magnetic field is clockwise then the direction of current is down to up and if the direction of magnetic field is anti clockwise then the direction of current is upper to lower direction
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The direction of an electric current is by convention the direction in which a positive charge would move. Thus, the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery. Electrons would actually move through the wires in the opposite direction.
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