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.
Practice this test at least 5 times if you want to secure High Marks.
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Test Instructions:-
Test Name Lecturer Physics 
Subject Physics Test 33
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100
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You have 20 minutes to pass to the quiz.


PPSC Lecturer of Physics Test 33

1 / 25

Donor atoms introduced into a pure semiconductor at room temperature:

2 / 25

Acceptor atoms introduced into a pure semiconductor at room temperature:

3 / 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:

4 / 25

“LED” stands for:

5 / 25

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

6 / 25

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

7 / 25

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

8 / 25

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

9 / 25

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

10 / 25

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

11 / 25

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

12 / 25

To observe the Zeeman effect one uses:

13 / 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:

14 / 25

The Stern-Gerlach experiment makes use of:

15 / 25

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

16 / 25

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

17 / 25

A light emitting diode emits light when:

18 / 25

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

19 / 25

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

20 / 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:

21 / 25

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

22 / 25

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

23 / 25

In an unbiased p-n junction:

24 / 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:

25 / 25

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

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