A rectangular loop of wire carrying a 4.0-A current and with ...

[mp14]

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

[shaquita]

Answer to Question 1

E

Answer to Question 2

C