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.

The mass of a coil of copper wire of diameter 1.2 mm is 150 g. If the density of copper is 8.9g*cm^(-3) , then find the length of the copper wire.

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 the drift velocity of electrons is nearly [density of copper 9 xx 10^(3) kg m^(3)]

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 copper wire of diameter 1 mm carries a current of 1.1A. The drift speed of electrons in (given, density of Cu=9g//cm^(3) , atomic weight of Cu = 63 g and one electron is contributed by each Cu atom)

Current I is flowing through a copper wire of radius r with drift velocity of electorns v_(d) . If this current is passed through another copper wire of same length and double the raduis, what will be the drift velocity of free electrons in it?

Assume that each atom of copper contributes one free electron. Density of Cu is 9 g/cm ""^(3) and atomic weight is 63 g. If current flowing through a Cu wire of 1 mm diameter is 11 A, drift velocity of clectrons will be

Assuming that there is one free electron per atom in copper, determine the number of free electrons in 1 "metre"^(3) volume of copper. Density of copper is 8.9xx10^(3) kgm^(-3) and atomic weight 63.5. (Avogadro's number, N=6.02xx10^(26) per kg-atom).

A current of 1.0 ampere is flowing through a copper wire of length 0.1 metre and cross-section 1.0xx10^(-6) m^(2) . (i) If the specific resistance of copper be 1.7xx10^(-8) Omega m , calculate the potential difference across the ends of the wire. (ii) Determine current density in the wire. (iii) If there be one free electron per atom in copper, then determine the drift velocity of electrons. Given : density of copper =8.9xx10^(3) kg m^(-3) , atomic weight =63.5, N=6.02xx10^(26) per kg-atom.