A 2.0-m straight wire carrying a current of 0.60 A is oriented ...

[ss2343]

A 2.0-m straight wire carrying a current of 0.60 A is oriented parallel to a uniform magnetic field of 0.50 T. What is the magnitude of the magnetic force on it?
 
  A) zero
  B) 0.15 N
  C) 0.30 N
  D) 0.60 N

Question 2

In a compound microscope
 
  A) both the objective and the eyepiece form real images.
  B) magnification is provided by the objective lens and not by the eyepiece. The eyepiece merely increases the resolution of the image viewed.
  C) magnification is provided by the objective and not by the eyepiece. The eyepiece merely increases the brightness of the image viewed.
  D) the magnification is m1 + M2, where m1 is the lateral magnification of the objective and M2 is the angular magnification of the eyepiece.
  E) the image of the objective serves as the object for the eyepiece.

[kiamars2010]

Answer to Question 1

A

Answer to Question 2

E

[ss2343]

TY

[kiamars2010]

You're welcome