With increase in temperature, the electrical conductivity of a _________________ decreases ?

Related Mcqs:

Which of the following is not used as a bearing material ?

A. Copper-lead alloys B. Babbitts C. Bronzes D. Cermets...

Particle nature of cathode rays is proved due to the fact that they ________________?

A. Travel in a straight line B. Get deflected by magnetic electric field C. Produce fluorescence D. Heat the exposed material...

Property responsible for the talcum powder to cling to the skin is the__________________?

A. Capillary action B. Adhesion C. Cohesion D. Surface tension...

The lightest non-inflammable gas is_________________?

A. H2 B. He C. Ar D. O2...

Inertial forces are obtained, when the elastic forces are multiplied by ______________ number?

A. Mach B. Froude C. Reynolds D. Euler...