A current of 3 A is flowing through a wire of length 2 m and cross- sectional area `1mm^(2)`. If wire contains `10^(29) "electrons"//m^(3)`, calculate the average time taken by an electron to cross the length of the wire.

A current of 2 A is flowing through a wire of length 4 m and cross-sectional area 1 mm^(2) . If each cubic metre of the wire contains 10^(29) free electrons, find the average time taken by an electron to cross the length of the wire.

Consider a wire of length 4m and cross-sectional areal 1 mm^(2) carrying of 2A. If each cubic metre of the material contains 10^(29) free electrons, find the average time taken by an electron to cross the length of the wire.

Consider a wire of length 4m and cross-sectional areal 1 mm^(2) carrying of 2A. If each cubic metre of the material contains 10^(29) free electrons, find the average time taken by an electron to cross the length of the wire.

Consider a wire of length 4m and cross-sectional areal 1 mm^(2) carrying of 2A. If each cubic metre of the material contains 10^(29) free electrons, find the average time taken by an electron to cross the length of the wire.

Consider a wire of length 4m and cross - sectional area 1mm^(2) carrying a current of 2A. If each cubic metre of the material contains 10^(29) free electrons, find the average time taken by an electron to cross the length of the wire.

A current of "1.6A" is flowing through "h" wire having cross- sectional area 1mm^(2) .If density of free electrons in the material of the wire is 10^(29) per m^(3) ,the drift velocity of electrons will be:-

A current of 2.4 A flows through a wire of cross-sectional area 1.5 mm^2 . Find the current density in the wire. If the wire contains 8 xx 10^28m^-3 elecrtrons per unit volume calculate the average relaxation on time. Given that charge on electron = 1.6 xx 10^-19C and mass of electron =9.1 xx 10^-31 kg.

A current of 4.8 A is flowing in a copper wire of cross-sectional area 3xx10^(-4) m^(2) . Find the current density in the wire.