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[" 4.Every atom makes one free electron in copper.If "1.1],[" ampere current is flowing in the wire of copper having "1],[" mm diameter,then the drift velocity (approx.) will be "],[" (Density of copper "=9times10^(3)kgm^(-3)" and atomic will be "],[63" ) "],[[" (a) "0.3mm/sec," (b) "0.1mm/sec],[" (c) "0.2mm/sec," (d) "0.2cm/sec]]

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Every atom makes one free electron in copper. If 1.1 ampere current is flowing in the wire of copper having 1 mm diameter, then the drift velocity (approx.) will be (Density of copper =9 xx 10^(3) kg m^(-3) and atomic weight = 63)

Every atom makes one free electron in copper. If 1.1 ampere current is flowing in the wire of copper having 1 mm diameter, then the drift velocity (approx.) will be (Density of copper =9 xx 10^(3) kg m^(-3) and atomic weight = 63)

Every atom makes one free electron in copper. If 1.1 ampere current is flowing in the wire of copper having 1 mm diameter, then the drift velocity (approx.) will be (Density of copper =9 xx 10^(3) kg m^(-3) and atomic weight = 63)

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).

There are 8.4xx10^(22) free electrons per cm^(3) in copper. The current in the wire is 0.21A (e= 1.6xx10^(-19)C ). Then the drifts velocity of electrns in a copper wire of 1mm^(2) cross section, will be:-

There are 8.4xx10^(22) free electrons per cm^(3) in copper. The current in the wire is 0.21A (e= 1.6xx10^(-19)C ). Then the drifts velocity of electrns in a copper wire of 1mm^(2) cross section, will be:-

There are 8.4xx10^(22) free electrons per cm^(3) in copper. The current in the wire is 0.21A (e= 1.6xx10^(-19)C ). Then the drifts velocity of electrns in a copper wire of 1mm^(2) cross section, will be:-

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