A. gold
B. copper
C. aluminium
D. kanthal
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Related Mcqs:
- Which of the following resistive materials has the lowest temperature co-efficient of resistance ?
- A. Nichrome B. Constantan C. Kanthal D. Molybdenum...
- The resistivity of a metal is a function of temperature because_____________?
- A. the amplitude of vibration of the atoms varies with temperature B. the electron density varies with temperature C. the electron gas density varies with temperature...
- Which of the following high resistance materials has the highest operating temperature ?
- A. Kanthal B. Manganin C. Nichrome D. Eureka...
- Substances whose specific resistance abruptly decreases at very low temperature are called___________?
- A. insulators B. conductors C. semiconductors D. superconductors...
- 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...
- By increasing impurity content in the metal alloy the residual resistivity always_____________?
- A. decreases B. increases C. remains constant D. becomes temperature independent...
- The conductivity of a metal is determined by____________?
- A. the electronic concentration and the mobility of the free electrons B. the number of valence electrons per atom C. either (A) or (B) D. none of the above...
- Superconducting metal in super conducting state has relative permeability of________________?
- A. zero B. one C. negative D. more than one...
- If the resistance of a conductor does not vary in accordance with Ohm’s law it is known as____________?
- A. non-linear conductor B. reverse conductor C. bad-conductor D. non-conductor...
- 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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