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Unit I

Authored by Rajasri Sen Jaiswal

Physics

University

Used 10+ times

Unit I
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12 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Define a metal

Conduction band and valence band are overlapping

High band gap

None of the above

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Metals are good conductor of electricity because

These have free electrons

Conduction band and valence band are overlapping

None of the above

Both 1 and 2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The electrical conductivity of a metal is

directly proportional to the temperature

inversely proportional to the temperature

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The highest filled energy level at absolute zero is called

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the temperature increases, the thermal conductivity of a metal

Increases

Decreases

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The equation relating electrical and thermal conductivity is called

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At absolute zero, may an electron be found above Fermi level?

Yes

No

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