A. a liquid
B. a metal
C. a metal liquid
D. a gas
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Related Mcqs:
- 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...
- 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...
- The transition temperature of mercury is____________?
- A. 18.0°K B. 9.22°K C. 4.12°K D. 1.14’K...
- The photo-electric effect occurs only when the incident light has more than a certain critical____________?
- A. intensity B. speed C. frequency D. wave length...
- An H.R.C. fuse is_______________?
- A. a ceramic body having metal and caps B. a wire of platinum C. a heavy cross-section of copper or aluminium D. a ceramic tube having carbon rod inside it...
- For germanium the forbidden energy gap is_______________?
- A. 0.15 eV B. 0.25 eV C. 0.5eV D. 0.7eV...
- 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...
- _________ is an example of piezoelectric material?
- A. Glass B. Quartz C. Corrundum D. Neoprene...
- 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)...
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