[3 pts] A compass is placed such that the center of the compass aligns with the axis of symmetry of the solenoid (see picture on the right). If the solenoid is supplied a constant current, to which direction will the compass needle align? a. Perpendicular to the symmetry axis of the solenoid b. Parallel to the symmetry axis of the solenoid c. It could be either parallel or perpendicular central axis of the solenoid, depending on the specific magnetic field