Copper, even though costly, finds use in the windings of electrical machines because_____________?

Related Mcqs:

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...

The transition temperature of mercury is____________?

A. 18.0°K B. 9.22°K C. 4.12°K D. 1.14’K...

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...

Which of the following are non-conductors of electricity?

A. Non-metal solids except carbon B. Air and most other gases C. Pure water and liquids in general except mercury D. All of the above...

Due to which of the following fact, in India, aluminium is replacing copper ?

A. Aluminium is more ductile and malleable than copper B. Aluminium is available in plenty, cheaper and lighter than copper C. Aluminium has lower resistivity than that of copper D. Aluminium has less temperature co-efficient than copper...