In conducting wire of radius `5mm`, resistivity `p-1.1xx10^(-8)Omega//m` and current of `5A` is flowing. Drift velocity of free electron is `1.1xx10^(-3)m//s` find out mobility of free elctron.
A potential difference of 4.5 V is applied across a conductor of length 0.1 m. If the drift velocity of electrons is 1.5 xx10^(-4)ms^(-1) , find the electrons mobility.
A copper wire has a square cross-section, 2.0 mm on a side. It carries a current of 8 A and the density of free electrons is 8 xx 10^(28)m^(-3) . The drift speed of electrons is equal to
A copper wire has a square cross section of 6 mm on a side. The wire is 10 m long and carries a current of 3.6A. The density of free electrons id 8.5x10^(28)//m^3. Find the magnitude of (a) the current density in the wire , (b) the electric field in the wire. (c ) How much time is required for an electron to travel the length of the wire? ("rh, electrical resistivity, is" 1.72 xx10^(-8) Omegam.)
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 .
In a metal conductor 0.1 A current is following. The cross sectional area is 5 mm^2 . Drift velocity is given to be 2 xx 10^-3 m/s. Find free electron density
The resistivity of copper at room temperatrue is 1.7xx10^(-8) Omega m . If the free electron density of copper is 8.4xx10^(28) m^(-3) , find the relaxation time for the free electrons of copper. Given m_(e)=9.11xx10^(-31) kg and e=1.6xx10^(-19) C .
