A. Phosphorous
B. Rubber
C. Silicon
D. Aluminium
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Related Mcqs:
- Which of the following material is not a semiconductor ?
- A. Silica B. Germanium C. Selenium D. Gallium-arsenide...
- The conductivity of an extrinsic semiconductor with temperature________________?
- A. decreases B. increases C. remains constant...
- Selenium is __________ semiconductor?
- A. extrnisic B. intmisic C. N-type D. P-type...
- For a particular material the Hall coefficient was found to be zero. The material is______________?
- A. insulator B. metal C. intrinsic semiconductor D. none of the above...
- On which of the following factors does the resistivity of a material depend ?
- A. Resistance of the conductor B. Area of the conductor section C. Length of the conductor D. All of the above...
- A good electric contact material should have all of the following properties except_____________?
- A. high resistivity B. high resistance to corrosion C. good thermal conductivity D. high melting point...
- A highly conductive material must have___________?
- A. highest conductivity B. lowest temperature co-efficient C. good mechanical strength D. good corrosion resistance E. easy solderable and drawable quality F. all of the above...
- Mercury as an electric contact material is_______________?
- A. a liquid B. a metal C. a metal liquid D. a gas...
- _________ is an example of piezoelectric material?
- A. Glass B. Quartz C. Corrundum D. Neoprene...
- Surface resistance of an insulating material is reduced due to the______________?
- A. smoky and dirty atmosphere B. humidity in the atmosphere C. both (A) and (b) D. neither (A) nor (b)...
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