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
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Related Mcqs:
- 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...
- 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...
- 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...
- Which of the following material is not a semiconductor ?
- A. Silica B. Germanium C. Selenium D. Gallium-arsenide...
- Which of the following is a semiconductor material ?
- A. Phosphorous B. Rubber C. Silicon D. Aluminium...
- 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)...
- In a superconductor the value of critical density depends upon______________?
- A. magnetic field strength B. temperature C. either (A) or (B) D. both (A) and (B)...
- Low resistivity materials are used in__________?
- A. transformer, motor and generator windings B. transmission and distribution lines C. house wiring D. all above applications...
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