Which of the following materials is used for making coils of standard resistances ?

Related Mcqs:

On which of the following factors does the resistivity of a material depend ?

A. Resistance of the conductor B. Area of the conductor section C. Length of the conductor D. All of the above...

In thermocouples which of the following pairs is commonly used ?

A. Copper-constantan B. Aluminium-tin C. Silver-German silver D. Iron-steel...

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...

Due to which of the following reasons copper and aluminium are not used for heating elements ?

A. Both have great tendency for oxidation B. Both have low melting point C. Very large length of wires will be required D. All of the above...

The conductivity of an extrinsic semiconductor with temperature________________?

A. decreases B. increases C. remains constant...