Mercury as an electric contact material is_______________?

Related Mcqs:

High resistivity materials are used in_____________?

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

Constantan contains_______________?

A. silver and tin B. copper and tungsten C. tungsten and silver D. copper and nickel...

Super conductivity can be destroyed by_____________?

A. adding impurities B. reducing temperatures C. application of magnetic field D. any of the above...

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

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

Which of the following factors affect resistivity of metals ?

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