Author Question: At very low temperatures the resistivity of some materials becomes zero as indicated by high ... (Read 29 times)

jjjetplane · **on:** Jul 29, 2018

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