When a direct current flows through a straight length of wire,what is the direction of the magnetic field that is produced nearthe wire?
A) The magnetic field is antiparallel to thedirection of the current.
B)The magnetic field is perpendicular to thedirection of the current.   Â
C)The magnetic field is parallel to the directionof the current.
D)There is no magnetic field near a wire carrying direct current;direct currents do not create magnetic fields.
