A rectangular loop of wire carrying a 4.0-A current and with certain dimensions is placed in a magnetic field of 0.60 T. The magnitude of the torque acting on this wire when it makes a 60 angle with the field is 1.1 Nm.
What is the area of this wire? A)
0.20 m2
B)
0.40 m2
C)
0.26 m2
D)
0.80 m2
E)
0.53 m2
Question 2
A circular loop carrying a current of 2.0 A is in a magnetic field of 3.5 T. The loop has an area of 0.12 m2 and its plane is oriented at a 37 angle to the field. What is the magnitude of the magnetic torque on the loop?
A)
0.10 mN
B)
0.51 mN
C)
0.67 mN
D)
21 mN
E)
46 mN
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