Addition of 0.3 to 4.5% silicon to iron ________ the electrical resistivity of iron?

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...

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 materials is the best conductor of electricity ?

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

For a particular material the Hall coefficient was found to be zero. The material is______________?

A. insulator B. metal C. intrinsic semiconductor D. none of the above...