Which of the following is the poorest conductor of electricity ?

Related Mcqs:

A highly conductive material must have___________?

A. highest conductivity B. lowest temperature co-efficient C. good mechanical strength D. good corrosion resistance E. easy solderable and drawable quality F. all of the above...

Which of the following affect greatly the resistivity of electrical conductors ?

A. Composition B. Pressure C. Size D. Temperature...

Non-linear resistors______________?

A. produce harmonic distortion B. follows Ohm’s law at low temperatures only C. result in non-uniform heating D. none of the above...

Low resistivity materials are used in__________?

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

Which of the following factors affect resistivity of metals ?

A. Age hardening B. Alloying C. Temperature D. Cold work E. All of the above...