PPSC Lecturer of Physics Online Test 33 Past Papers

Online Free Taleem is free online MCQ’s test related to Lecturer Physics. All the individuals who are going to appear in Lecturer Physics written test can attempt these tests in order to prepare for it in best possible way. Our tests of Lecturer of Physics include all the important questions and Past Paper of  Lecturer Physics, that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Physics 
SubjectPhysics Test 33
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
0%

You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


PPSC Lecturer of Physics Test 33

1 / 25

A certain material has a resistivity of 7.8×10−8 Ω ·m at room temperature and it increases as the temperature is raised by 100◦ C. The material is most likely:

2 / 25

The gap between the valence and conduction bands of a certain semiconductor is 0.85 eV. When this semiconductor is used to form a light emitting diode, the wavelength of the light emitted:

3 / 25

A light emitting diode emits light when:

4 / 25

The number of states in a shell with principal quantum number n = 3 is:

5 / 25

A certain material has a resistivity of 7.8 × 103 Ω · m at room temperature and it decreases as the temperature is raised by 100◦ C. The material is most likely:

6 / 25

When a forward bias is applied to a p-n junction the concentration of electrons on the p side:

7 / 25

A certain material has a resistivity of 7.8 × 103 Ω · m at room temperature and it increases as the temperature is raised by 100◦ C. The material is most likely:

8 / 25

The contact electric field in the depletion region of a p-n junction is produced by:

9 / 25

Application of a forward bias to a p-n junction:

10 / 25

Acceptor atoms introduced into a pure semiconductor at room temperature:

11 / 25

The quantum number ms is most closely associated with what property of the electron in an atom?

12 / 25

Donor atoms introduced into a pure semiconductor at room temperature:

13 / 25

Application of a forward bias to a p-n junction:

14 / 25

The magnetic quantum number m􀁦 is most closely associated with what property of an electron in an atom?

15 / 25

In normal operation the current in a MOSFIT device is controlled by changing:

16 / 25

For an unbiased p-n junction, the energy at the bottom of the conduction band on the n side is:

17 / 25

A donor replacement atom in silicon might have ......................electrons in its outer shell:

18 / 25

A given doped semiconductor can be identified as p or n type by:

19 / 25

The Stern-Gerlach experiment makes use of:

20 / 25

To observe the Zeeman effect one uses:

21 / 25

“LED” stands for:

22 / 25

Which of the following is NOT true when a back bias is applied to a p-n junction?

23 / 25

An electron in a K shell of an atom has the principal quantum number:

24 / 25

An acceptor replacement atom in silicon might have.................... electrons in its outer shell:

25 / 25

In an unbiased p-n junction:

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