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 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.

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

A current of 1 A flows through a wire of length 0.24m and area of cross-section 1.2mm^2 , when it is conneted to a battery of 3V. Find the number density of free electrons in the wire, if the electron mobility is 4.8 xx 10^-6 m^2 V^-1s^-1 , given that charge on electron = 1.6 xx 10^-19C

A current of 5A is passing through a metallic wire of area of cross-section 4xx10^-6m^2 , If the density of charge carriers of the wire is 5xx10^26m^−3 find the drift velocity of electrons.

A current of 1A flows on a wire for 5 minutes, find the amount of electric charge that flows through the wire.

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.

A wire with an area of cross-section as 1 mm2 has a resistance of 10Q, when a potential difference across its ends is 8V. Calculate the drift velocity of electrons. Given,number density of electrons in wire as 8 xx 10^20 electrons per cubic meter.

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

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

How many electrons pass through a wire in 1 minute if the current passing through the wire is 200 Ma?