Piezoelectric materials serve as a source of ____________ ?

Related Mcqs:

1. _________ is an example of piezoelectric material?

   A. Glass
   B. Quartz
   C. Corrundum
   D. Neoprene

2. Commonly used conducting materials are_____________?

   A. copper
   B. aluminium
   C. both (A) and (B)
   D. copper and silver
   E. platinum and gold

3. Which of the following materials is preferred for transmitting electrical energy over long distance ?

   A. Copper
   B. Aluminium
   C. Steel reinforced copper
   D. Steel reinforced aluminium

4. Which of the following resistive materials has the lowest temperature co-efficient of resistance ?

   A. Nichrome
   B. Constantan
   C. Kanthal
   D. Molybdenum

5. Which of the following materials does not have covalent bonds ?

   A. Organic polymers
   B. Silicon
   C. Metals

6. Which of the following high resistance materials has the highest operating temperature ?

   A. Kanthal
   B. Manganin
   C. Nichrome
   D. Eureka

7. Which of the following materials is used for making coils of standard resistances ?

   A. Copper
   B. Nichrome
   C. Platinum
   D. Manganin

8. Which of the following materials is the best conductor of electricity ?

   A. Tungsten
   B. Aluminium
   C. Copper
   D. Carbon

9. Low resistivity materials are used in__________?

   A. transformer, motor and generator windings
   B. transmission and distribution lines
   C. house wiring
   D. all above applications

10. Spark plug makes use of which of the following materials for insulation ?

    A. Porcelain
    B. Slate
    C. Asbestos
    D. Glass