The number density of free electrons in copper is nearly `8xx10 ^28 ``m^- 3`.A copper wire has its area of cross section = `2xx10^- 6` `m^2` and is carrying a current of 3.2 A. The drift speed of the electrons is _____`xx10^-6`

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

The number density of electron in copper is 8.5 xx10^(28)m^(-3) . Find the current flowing through a copper wire of length 20 cm, area of cross section is 1 mm square,when connected to a battery of 3 V. Given the electron mobility =4.5xx10^(-6)m^(2)V^(-1) s^(-1) and electron charge =1.6 xx 10^(-19)C .

At room temperature copper has free electron density of 8.4xx10^(28) per m^(3) . The copper conductor has a cross-section of 10^(-6)m^(2) and carries a current of 5.4 A. What is the electron drift velocity in copper?

Find the average drift speed of free electrons in a copper wire of area of cross-section 10^(-7) m^(2) carrying current of 1.5 A and having free electron density 8.5 xx 10^(28) m^(-3)

Estimate the average drift velocity of conduction electrons in a copper wire of cross-sectional area 2.5 xx 10^(-7) m^(2) , carrying a current of 2.7 A. Assume the density of conduction electrons to be 9 xx 10^(28) m^(-3) .

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1.0xx10^(-7)m^(2) carrying a current of 1.5xx10^(-19) A. Assume the density of conduction electrons to be 9xx10^(28)m^(-3) .

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 2.5xx10^(-7)m_(2) carrying current of 1.8 A. Assume the density of conduction electrons to be 9xx 10^(26)m_(3) .