A current of 5 A passss through a copper conductor (resistivity = `1.7 xx 10^(-8) Omega m`) of radius of cross -section 5mm. Find the mobility of the charges if their drift velocity is `1.1 xx 10^(-3) m//s`.

A current of 5 A of passes through a copper conductor (resistivity = 1.7xx10^(-8)Omegam) of radius of cross-section 5 mm.Find the mobility of the charges if their drift velocity is 1.1xx10^(-3)m//s

[" A current of "5" Apasses through a "],[" copper conductor (resistivity "],[=1.7times10^(-8)Omega-m" ) of radius of "],[" cross-section "5mm" .Find the "],[" mobility of the charges,if their drift "],[" velocity is "1.1times10^(-3)m/s],[" (A) "1.5m^(2)/V-s],[" (B) "1.3m^(2)/V-s],[" (C) "1.0m^(2)/V-s],[" (D) "1.8m^(2)/V-s]

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 current of 5 A is passing through a metallic wire of cross-section area 4 xx 10^-6 m^2 . If the density of the charge carries in the wire is 5 xx 10^36 //m^3 , the drift velocity of the electrons is.

If resistivity of copper conductor is 1.7xx10^(-8) Omega -m and electric field is 100Vm^(-1) , then current density will be

A current of 16 A is made to pass through a conductor in which the number of density of free electrons is 4xx10^(28)m^(-3) and its area of cross section is 10^(-5)m^(2) . The average drift cross section is 10^(-5)m^(2) . The average drift velocity of free electrons in the conductor is

A current of 10 ampere passes through a wire having cross-sectional area 1mm^2 . The number of free electron peer 1m^3 of the conductor is 10^(28) . Find the drift velocity of electron.

What length of copper wire of specific resistance 1.7 xx 10^(-8) Omega m and radius 1 mm is required so that its resistance is 1 Omega ?

A current of 5 A is passing through a metallic wire of cross- sectional area 4 xx 10^(-6) m^(2) . If the density of charge carries of the wire is 5 xx 10^(26) m^(-3) , the drift velocity of the electrons will be

A conductor has a cross-section of 15 mm^(2) and resistivity of 7.6 xx 10^(-8)Omega m at 0^@C . If the temperature coefficient of resistance of the material of the conductor is 5 xx 10^(-3).^(@)C^(-1) , calculate its resistance for 2 km length of conductor when its temperature is 60^@C .