Constantan contains_______________?

Related Mcqs:

1. The converse of hardness is known as______________?

   A. malleability B. toughness C. softness D. none of the above...

2. High resistivity materials are used in_____________?

   A. precision instruments B. heating elements C. motor starters D. incandescent lamps E. all of the above...

3. At transition temperature the value of critical field is____________?

   A. zero B. negative real value C. positive real value D. complex value...

4. ___________ is most commonly used for making magnetic recording tape?

   A. Silver nitrate B. Ferric oxide C. Small particles of iron D. Silicon-iron...

5. __________ is a hard solder?

   A. Tin-lead B. Tin-silver-lead C. Copper-zinc D. None of the above...

6. Which of the following are non-conductors of electricity?

   A. Non-metal solids except carbon B. Air and most other gases C. Pure water and liquids in general except mercury D. All of the above...

7. Platinum is used in_____________?

   A. electrical contacts B. thermocouple C. heating element in high temperature furnace D. grids of special purpose vacuum tubes E. all of the above...

8. Thermocouples are mainly used for the measurement of_____________?

   A. temperature B. resistance C. eddy currents D. coupling co-efficient...

9. For a hole which of the following statements is incorrect ?

   A. Holes can exist in certain semiconductors only B. Holes can exist in any material including conductors C. Holes may constitute an electric current D. Holes can be considered as a net positive charge...

10. The current due to electron flow in conduction band is the hole current in valence band?

    A. equal to B. less than C. greater than D. any of the above...