1) a) A wire sample (1 mm in diameter by 1 m in length) of an aluminum alloy (containing 1.2% Mn) is placed in an electrical circuit such as that shown in the figure below. A voltage drop of 432 mV is measured across the length of the wire as it cames a 10 A current. Calculate the electrical conductivity of this alloy -Length,/ Area, A Sample geometry b) Copper has an electrical conductivity of 58.00 x 106 S/m and a free electron density of 104 x 1027m²³. Calculate the drift velocity of these electrons under an electric field of 0.5 V/m.
1) a) A wire sample (1 mm in diameter by 1 m in length) of an aluminum alloy (containing 1.2% Mn) is placed in an electrical circuit such as that shown in the figure below. A voltage drop of 432 mV is measured across the length of the wire as it cames a 10 A current. Calculate the electrical conductivity of this alloy -Length,/ Area, A Sample geometry b) Copper has an electrical conductivity of 58.00 x 106 S/m and a free electron density of 104 x 1027m²³. Calculate the drift velocity of these electrons under an electric field of 0.5 V/m.
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Transcribed Image Text:1) a) A wire sample (1 mm in diameter by 1 m in length) of an aluminum alloy (containing
1.2% Mn) is placed in an electrical circuit such as that shown in the figure below. A voltage
drop of 432 mV is measured across the length of the wire as it camies a 10 A current.
Calculate the electrical conductivity of this alloy
-Length, /
Area, A
Sample geometry
b) Copper has an electrical conductivity of 58.00 x 106 S/m and a free electron density of
104 x 10²7m²³. Calculate the drift velocity of these electrons under an electric field of 0.5
V/m.
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