- A. Matthiessen’s rule
- B. Debye rule
- C. Curie rule
- D. Onne’s rule
Materials and Components
-
The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as_____.
-
Wood is a diamagnetic material.
- A. True
- B. False
-
As the atoms of rare gases become larger, electronic polarizability_____.
- A. Increases
- B. Decreases
- C. Remains the same
- D. May increase or decrease
-
The residual resistivity of a binary alloy at 0 K is_____.
- A. Sum of residual resistivities of component metals
- B. Difference of residual resistivities of component metals
- C. Product of residual resistivities of component metals
- D. Dependent on the concentration of minor component in the alloy
-
The number of protons in a copper atom are_____.
- A. 2
- B. 9
- C. 11
- D. 29
-
In van der walls crystals, there exists a high degree of stability of the outer electron shell.
- A. True
- B. False
-
Many compounds also exhibit semiconducting properties.
- A. True
- B. False
-
Which inductor is used at high frequencies?
- A. Cast iron cored
- B. Sheet steel cored
- C. Iron alloy cored
- D. Ceramic cored
-
When a material is in superconducting state and a magnetic field is applied_____.
- A. The superconducting property is not affected
- B. The superconducting property may be affected and resistivity may increase from zero to a low value
- C. The superconducting property may be destroyed
- D. The material may become an insulator
-
A vacant electronic state moves in the same direction as would a positive charge carrier.
- A. True
- B. False