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- Electrical Engineering Materialselectrical-engineering-mcqs › electrical-engineering-materials
- Published
- 22 Dec 2018
- Last updated
- 28 May 2026
Explanation
Platinum is widely employed in various fields including electrical connectors, thermocouple sensors, heating elements used in high-temperature furnaces, and grids found in specialized vacuum tubes, making all the listed options correct.
More Electrical Engineering Materials MCQs
Practice related questions from the same subject.
- 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?
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