Write the nature of the material having resistivity of the order of `10^15 Omega m` at `0^@C`.

Write the nature of the material having resistivity of the order of 1.7 xx 10^-8 Omega m

At room temperature (27.0^@ C) the resistance of a heating element is 100 Omega . What is the temperature of the element if the resistance is found to be 117 Omega , given that the temperature coefficient of the materials of the resistors is 1.70 xx 10^-4 ^@C^-1 ?

At room temperature (27.0 ^@C) the resistance of a heating element is 100Omega . What is the temperature of the element if the resistance is found to be 117Omega . given that the temperature coefficient of the material of the resistor is 1.70 xx 10^-4 ^@C^-1 .

Resistance of a metal of length 1 m is 26 Omega at 20^@C If the diameter of the wire is 0-3mm What will be the resistivity of the metal at that temperature?Using standard table of resistivity of various metals,predict the material of the wire.

A negligibly small current is passed through a wire of length 15 m and uniform cross-section 6.0 xx 10^-7 m^2 , and its resistance is measured to be 5.0 Omega . What is the resistivity of the material at the temperature of the experiment?

A wire having a mass of 0.45 kg posseses a resistanfce of 0.014 Omega . If the resistivity of the material fo wire is 1.78 xx10^-7 Omegam , calculate its length and radius. Given that the density of the material of wire is 8.93 xx10^3 kg m^-3

Write the sequence of colours in carbon resistor having resistance 25 xx 10^6Omega+-10%