A copper wire of cross sectional area 2.0 `mm^(2)`, resistivity `=1.7xx10^(-8)Omegam`, carries a current of 1 A. The electric field in the copper wire is

A copper wire of cross-sectional area 2mm^(2) resistivity =1.7 xx 10^(-8)Omega m , carries a current of 1A. The electricfield in the copper wire is

A metallic wire carries a current of 100 A , its area of cross section is 1 cm^(2) . If the resistivity of the copper is 1.7xx10^(-8) Omega m , then the electric field strength in the copper will be

Resistance of a copper wire of cross sectional area 0.02 cm^(2) is 5 Omega . If the resistivity of copper be 1.72xx10^(-6) Omega - cm then find the length of the wire.

A copper wire fo cross-sectional area 3.00xx10^(-6) m^2 carries a current 10.0A. a. Find the drift speed of the electrons in the wire. Assume that each copper atom contributes one free electron to the body of material. b. Find the average time between collisions for electrons in the copper at 20^@C. The density of copper si 8.95 gcm^(-1) , molar mass of copper is 63.5 gmol^(-1) , Avogadro number is 6.02x10^(23) electrons per mol and resistivity of copper is 1.7 xx10^(-8) Omegam.

A copper wire fo cross-sectional area 3.00xx10^(-6) m^2 carries a current 10.0A. a. Find the drift speed of the electrons in the wire. Assume that each copper atom contributes one free electron to the body of material. b. Find the average time between collisions for electrons in the copper at 20^@C. The density of copper si 8.95 gcm^(-1) , molar mass of copper is 63.5 gmol^(-1) , Avogadro number is 6.02x10^(23) electrons per mol and resistivity of copper is 1.7 xx10^(-8) Omegam.

A copper wire of cross - sectional area 3.4 m m^(2) and length of the wire 400m, specific resistivity of copper is 1.7 xx 10^(-8)Omega-m . Then the resistance of the wire is