Steel wire is used as____________?

Related Mcqs:

1. The coils of D.C. motor starter are wound with wire of_______________?

   A. copper B. kanthal C. manganin D. nichrome...

2. 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...

3. The tiny block formed by the arrangement of a small group of atoms is called the____________?

   A. unit cell B. space lattice C. either A. or (b) D. none of the above...

4. The kinetic energy of a bounded electron is______________?

   A. less than that of unbounded electron B. greater than that of unbounded electron C. equal to that of unbounded electron D. infinite E. none of the above...

5. 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...

6. Which of the following is the poorest conductor of electricity ?

   A. Carbon B. Steel C. Silver D. Aluminium...

7. Which of the following variety of copper has the best conductivity ?

   A. Induction hardened copper B. Hard drawn copper C. Pure annealed copper D. Copper containing traces of silicon...

8. Total number of crystal systems is____________?

   A. 2 B. 4 C. 7 D. 12...

9. Due to which of the following factors the brush wear rate is altered ?

   A. Speed of the machine B. Contact pressure C. Surface conditions of brush and commutator D. Excessive sparking E. All of the above...

10. Which of the following is an advantage of stranded conductor over equivalent single conductor ?

    A. Less liability to kink B. Greater flexibility C. Less liability to break D. All of the above...