A current of `4.4A` is flowing in a copper wire of radius `1mm` density of copper is `9 xx 10^(3)kg m^(-3)`and its atoms is `63.5u` If every atoms of copper contributes one condition electron , then th drift velocity of electrons is nearly [density of copper `9 xx 10^(3) kg m^(3)]`

If the density of copper is 8.9xx10^(3)kg//m^(3) , find its relative density.

The density of copper is 9xx10^3 kg m^(-3) and its atomic mass is 63.5 u. Each copper atom provides one free electron. Estimate the number of free electrons per cubic metre in copper.

The density of copper is 9xx10^3 kg m^(-3) and its atomic mass is 63.5 u. Each copper atom provides one free electron. Estimate the number of free electrons per cubic metre in copper.

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.

If the current flowing through a copper wire of 1mm diameter is 1.1A. The density of copper is 9 g cm^(-3) and atomic mass of copper is 63 u. One free electron is contributed by each atom of copper. Find the drift velocity of electron. Avogardo's number =6.0 xx10^(26) per kg atom.

Cross-sectional area of a Copper wire is equal to area of a square of length 2 mm. If this copper wire draws 8 A electric current, then find the drift velocity of free electron. Number density of electron in Copper wire is 8 xx 10^(28) m^(-3)

A current of 1.34A exists in a copper wire of cross-section 1.0mm^(2) . Assuming eac copper atom contributes one free eectron. Calculate the drift speed of the free electrons in the wire. The density of copper is 8990 kg// m^(3) and atom ic mass=63.50.

A current of 1.34A exists in a copper wire of cross-section 1.0mm^(2) . Assuming eac copper atom contributes one free eectron. Calculate the drift speed of the free electrons in the wire. The density of copper is 8990 kg// m^(3) and atom ic mass=63.50.

A current of 1.34A exists in a copper wire of cross-section 1.0mm^(2) . Assuming eac copper atom contributes one free eectron. Calculate the drift speed of the free electrons in the wire. The density of copper is 8990 kg// m^(3) and atom ic mass=63.50.

What is the drift speed of the conduction electrons in a copper wire with radius r = 900 micrometer when it has a uniform current I = 17mA? Assume that each copper atom contributes one conduction electron to the current and the current density is uniform across the wire's cross section. The density of copper is 9000 kg/m^3 and atomic mass is 63.5u .