Draw a labelled diagram to show the pattern of magnetic field lines produced due to a current carrying straight conductor. Mark on it the direction of current in the conductor and the direction of magnetic field lines.
Solution and Explanation
A straight current-carrying conductor generates a circular, concentric magnetic field around itself. The direction of this magnetic field is indicated by the right-hand thumb rule: orient the right hand such that the thumb points in the direction of the current; the fingers then curl in the direction of the magnetic field lines.
The illustration displays concentric circles representing the magnetic field around the conductor, with the current's direction indicated. Arrows delineate the magnetic field's direction encircling the conductor.
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