Multiple Choice
A circular loop of wire with a radius of 20 cm lies in the xy plane and carries a current of 2 A, counterclockwise when viewed from a point on the positive z axis.Its magnetic dipole moment is:
A) 0.25 A.m2, in the positive z direction
B) 0.25 A.m2, in the negative z direction
C) 2.5 A.m2, in the positive z direction
D) 2.5 A.m2, in the negative z direction
E) 0.25 A.m2, in the xy plane
Correct Answer:

Verified
Correct Answer:
Verified
Q10: The figure shows a uniform magnetic field
Q11: An electron and a proton both each
Q12: The diagrams show five possible orientations of
Q13: A uniform magnetic field is directed into
Q14: A charged particle is projected into a
Q16: An electron is launched with velocity
Q17: A loop of wire carrying a current
Q18: A magnetic field exerts a force on
Q19: A loop of current-carrying wire has a
Q20: A cyclotron operates with a given magnetic