A circular loop of wire of cross-sectional area 0.12 m2 consists ...

[danielfitts88]

A circular loop of wire of cross-sectional area 0.12 m2 consists of 200 turns, each carrying 0.50 A. It is placed in a magnetic field of 0.050 T oriented at 30 to the plane of the loop. What torque acts on the loop?
 
  A)
 
  0.25 mN
  B)
 
  0.52 mN
  C)
 
  2.5 mN
  D)
 
  5.2 mN
  E)
 
  25 mN

Question 2

A rectangular loop of wire, with dimensions shown in Figure 27-10, carries a current of 2 A and is placed in a magnetic field of 0.8 T. The wire rotates in the magnetic field and at one point it is perpendicular to the magnetic field.
 
  What is the magnitude of the torque acting on the wire? A)
 
  0 Nm
  B)
 
  1 Nm
  C)
 
  2 Nm
  D)
 
  3 Nm
  E)
 
  4 Nm

[1_Step_At_ATime]

Answer to Question 1

B

Answer to Question 2

B

[danielfitts88]

Gracias!

[dyrone]

TYSM