A circular current loop is placed in an external magnetic field. ...

[Charlie]

A circular current loop is placed in an external magnetic field. How is the torque related to the radius of the loop?
 a. directly proportional to radius squared
  b. directly proportional to radius
  c. inversely proportional to radius squared
  d. inversely proportional to radius

Question 2

The SI units for viscosity are Ns/m2 . Another commonly used unit for viscosity is the poise, where 10 poise = 1 Ns/m2 . The poise is a fairly large unit, and it is more common to use the centipoise. Which of the following is equal to the centipoise?
 a. 10-3 Ns/m2
  c. 10-1 Ns/m2
  b. 10-2 Ns/m2
  d. 102 Ns/m2

[pocatato]

Answer to Question 1

A

Answer to Question 2

A

[Charlie]

Great answer, keep it coming

[miss_1456@hotmail.com]

Thanks for the timely response, appreciate it