Electronics and Communication Engineering - Materials and Components

31.
If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant.
True
False
Answer: Option
Explanation:

The dielectric constant changes as it is proportional to the number of atoms per unit volume.


32.
The number of protons in a copper atom are
2
9
11
29
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
When a material is in superconducting state and a magnetic field is applied
the superconducting property is not affected
the superconducting property may be affected and resistivity may increase from zero to a low value
the superconducting property may be destroyed
the material may become an insulator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
For a diamagnetic material, μr = 1.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
We can know the arrangement of atom in a material by studying electron diffraction pattern.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.