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Electrical Engineering Materials

Free 100+ Electrical Engineering Materials MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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Electrical Engineering Materials — MCQs for Pakistan government job tests

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Electrical Engineering Materials

Practice questions

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1.Which factor primarily influences the concentration of minority carriers?

2.How does the electron current in the conduction band compare to the hole current in the valence band?

3.What is the band gap energy of germanium?

4.Which type of element, containing three valence electrons, is commonly used as a dopant in semiconductors?

5.Which material contains the lowest proportion of carbon?

6.How does the electrical conductivity of an extrinsic semiconductor change as the temperature rises?

7.Which of the following statements about holes is incorrect?

8.If the Hall coefficient of a substance is measured to be zero, what type of material is it most likely?

9.What is the relative permeability of a superconducting metal when it is in its superconducting phase?

10.Which of these elements influence the resistivity of metallic materials?

11.What causes the surface resistance of an insulating material to decrease?

12.In conductors, the flow of electric current is primarily caused by the movement of which particles?

13.How does the presence of moisture impact the properties of insulating materials?

14.What is the characteristic size of the forbidden energy gap in an insulating material?

15.What do we call a conductor whose resistance does not follow Ohm's law?

16.Why is aluminium increasingly being used as a substitute for copper in India?

17.What type of semiconductor is selenium classified as?

18.The photoelectric effect takes place only if the incoming light exceeds a specific critical __________?

19.Which material is commonly used as an insulator in spark plugs?

20.Which material exhibits the highest damping capacity?

How to prepare with Electrical Engineering Materials MCQs

  • Work through questions topic by topic, then revisit any you answered incorrectly.
  • Read explanations carefully—they often cover facts that repeat across PPSC, FPSC, and NTS papers.
  • Pair subject practice with past papers to see how Electrical Engineering Materials appears in real exam conditions.

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