Which of the following is a correct statement?
A. When a magnet is free to rotate across a pivot, its north pole points towards the geographic south pole of earth.
B. The magnetic force on a current carrying straight wire placed in a magnetic field is inversely proportional to the strength of the field.
C. The magnetic torque acting on a current carrying loop placed in a magnetic field is inversely proportional to the area of the loop.
D. The magnetic force on a charge moving in a magnetic field is proportional to the sine of the angle between the field and the velocity.
E. Similar poles attract opposite poles repel.