At very low temperatures the resistivity of some materials ...

[jjjetplane]

At very low temperatures the resistivity of some materials becomes zero as indicated by high precision measurements. This phenomenon is known as
 
  A)
 
  supercapacitance.
  B)
 
  superconductivity.
  C)
 
  BSCCO.
  D)
 
  superresistivity.
  E)
 
  supraresistivity.

Question 2

What is the rotational inertia (moment of inertia) of a 12-kg uniform rod, 0.30 m long, rotating about an axis perpendicular to the rod and passing through the center of the rod?
 
  A)
 
  0.27 kgm2
 
  B)
 
  0.18 kgm2
 
  C)
 
  0.090 kgm2
 
  D)
 
  0.54 kgm2
 
  E)
 
  0.36 kgm2

[bblaney]

Answer to Question 1

B

Answer to Question 2

C

[jjjetplane]

Excellent

[patma1981]

TYSM