1.
Which of the following variety of copper has the best conductivity ?

2.
The number of atoms per unit cell in B.C.C. structure is

3.
The tiny block formed by the arrangement of a small group of atoms is called the

4.
Piezoelectric materials serve as a source of ________ .

5.
On which of the following factors does the resistivity of a material depend ?

6.
________ has the best damping properties.

7.
Mercury as an electric contact material is

8.
The conductivity of a conductor can be increased by

9.
Super conductivity can be destroyed by

10.
The kinetic energy of a bounded electron is

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