B. lowest temperature co-efficient
C. good mechanical strength
D. good corrosion resistance
E. easy solderable and drawable quality
F. all of the above
Related Mcqs:
- Which of the following high resistance materials has the highest operating temperature ?
A. Kanthal
B. Manganin
C. Nichrome
D. Eureka - The formula __________ determines the number of electrons that can be accommodated in any level?
A. 2n2
B. 4n2
C. 2n3
D. 4ns - Superconductivity is observed for____________?
A. infrared frequencies
B. d.c. and low frequency
C. a.c. and high frequency
D. frequencies having no effect
E. none of the above - The conductors have transport phenomena of electrons due to____________?
A. electric field
B. magnetic field
C. electromagnetic field
D. none of the above - Carbon electrodes are not used in_______________?
A. GLS lamps
B. electric arc furnace
C. dry cells
D. cinema projectors - Super conductivity can be destroyed by_____________?
A. adding impurities
B. reducing temperatures
C. application of magnetic field
D. any of the above - Due to which of the following reasons aluminium does not corrode in atmosphere ?
A. Aluminium is a noble metal
B. Atmospheric oxygen can only diffuse very slowly through the oxide layer which is formed on the surface of aluminium
C. No reaction with oxygen occurs ft Any of the above - Which of the following material is not a semiconductor ?
A. Silica
B. Germanium
C. Selenium
D. Gallium-arsenide - In conductors conduction of electricity takes place due to movement of_______________?
A. electrons only
B. positive ions only
C. negative ions only
D. positive and negative ions
E. none of the above - The minority carrier concentration is largely a function of_____________?
A. forward biasing voltage
B. reverse biasing voltage
C. temperature
D. the amount of doping
