A square loop with each side 1 cm, carrying a current of 10 A, is placed in a magnetic field of 0.2 T. The direction of magnetic field is parallel to the plane of the loop. The torque experienced by the loop is _____.
Fill in the blank with the correct answer from the options given below.
1
zero
2
2 × 10-4 Nm
3
2 × 10-2 Nm
4
2 Nm