Estimate the average drift speed of conductio electrons in a copper wire of cross-sectional area `10^-7m^2` carrying a current of 1.5 A, Assume the density of conduction electrosn to be `9xx10^28 m^-3` and change on electio ` = 1.6 xx10^-19 jC`

Estimate the average drift speed of conductin electrons in a copper wire of cross sectional area 1.0xx10^(-7) m^2 carrying a current of 1.5 A. Assume that each copper atom contributes roughly one conduction electron. The density of copper is 9.0xx10^3 kgm^(-3) and its atomic mass is 63.5 u.

Calculate the electric field in a copper wire of cross-sectional area 2.0 mm^2 carrying a current of 1 A. The conductivity of copper = 6.25 xx 10^7 S m^-1

A conductor with a cross-section of 10^-4m^2 carries an electric current of 1.2 A. If the number of the free electrons are 5xx10^28m^-3 , calculate the electron drift velocity. Charge on the electron, e = 1.6 xx 10^-19C

A current of 1.8 A flows through a wire of cross-sectional area 0.5 mm^(2) ? Find the current density in the wire. If the number density of conduction electrons in the wire is 8.8 xx 10^(28) m^(-3) , find the drift speed of electrons.

A current of 10A is maintained in a conductor of cross-section 10^-4m^2 . If the number density of free electrons be 9 xx 10^28 m^-3 , calcualte the drift velocity of free electrons. Given, charge on electron, e = 1.6 xx 10^-19C

What is the drift velocity of electrons in a silver wire of length 1 m, area of cross-section 3.14 xx 10^-6m^2 and carrying a current of 10 A. Given, charge on electron = 1.6 xx 10^-19C , Avogadro number = 6.02 xx 10^23 atomic weight of silver = 108 and density of silver = 10.5 xx 10^3 kg m^-3 .

Calculate the conductance and conductivity of a wire of resistance 0.01Omega area of cross-section 10^-4m^2 and length 0.1 m.

The resistivity of potentiometer wire is 10^-7 ohm m and its area of cross-section is 10^-6m^2 . When a current I = 0.1. A flows through the wire, its potential gradient is

The mean free path of conduction electrons in copper is about 4 xx 10^(-8) m . Find the electric field which can give 2 eV energy (on the average) to a conduction electron in a copper block.

A copper has 80xx10^28 per cubic metre. A copper wire of length 1m and cross-sectional area 8.0xx10^-6m^2 carrying a current and lying at right angle to a magnetic field of strength 5xx10^-3T experiences a force of 8.0xx10^-2N. Calculate the drift velocity of free electrons in wire.