A negligbly small current is passed through a wire of length 15 cm and uniform cross-section `6.0xx10^(-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 negligible small current is pass through a wire of length 15m and uniform cross section 6xx10^(-7)m^(2) and its resistance is measured to be 5Omega . What is the resistivity of the material at the temperature of the experiment ?

A copper wire of length 2 m and area of cross-section 1.7xx10^(-6)m^(2) has a resistance of 2xx10^(-2)Omega. The resistivity of copper is

A wire of length 1 m and radius 0.1mm has a resistance of 100(Omega) .Find the resistivity of the material .

The specific resistance of the material of a conductor of length 3m area of cross-section 0.2 "mm"^2 having a resistance of 2 ohm is:

A wire of length 2m and cross-sectional area 2 xx 10^(-6) m^(2) is made of a material of Young's modulus 2 xx 10^(11) Nm^(-2) . What is the work done in stretching it through 0.1 mm.

Calculate the resistance of an aluminium wire of length 50 cm and cross sectional area 2.0mm^(2) . The resistivity of aluminium is (rho)=2.6xx10^(-8)(Omega)m.

The heat is flowing through a rod of length 50 cm and area of cross-section 5cm². Its ends are respectively at 25°C and 125°C. The coefficient of thermal conductivity of the material of the rod is 0.092 kcal / m×s×°C. The temperature gradient in the rod is

A heat flux of 4000 J/s is to be passed through a copper rod of length 10 cm and area of cross-section 100 cm^2 . The thermal conductivity of copper is 400 W/m/ °C. The two ends of this rod must be kept at a temperature difference of

A battery of emf 2.0 volts and internal resistance 0.10(Omega) is being charged with a current of 5.0A. What is the potential difference between the terminals of the battery?

What length of a copper wire of cross-sectional area 0.01 mm^2 will be needed to prepare a resistance of 1 kOmega ? Resistivity of copper = 1.7 xx 10^(-8) Omega m .