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[" An aluminium wire of diameter "2.5mm"...

[" An aluminium wire of diameter "2.5mm" is con- "],[" nected in series with a copper wire of diameter "],[1.6mm" .A current of "2.0A" is passed through "],[" them.Find (a) current density in aluminium wire,"],[" (b) drift velocity of electrons in copper wire.Given "],[" the number density of conduction electrons in "],[" copper is "10^(29)m^(-3)" ."]

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An aluminium wire of diameter 2.5 mm is connectedf in series with a copper wire of diameter1.6 mm. A current of 2.0 A is passed through them. Find (a) current density in aluminium wire, (b) drift velocity of electrons in copper wire. Given the number density of conduction electrons in copper is 10^(29) m^(-3) .

An aluminium wire of diameter 0.24 cm is connected in series to a copper wire of diameter 0.16 cm. The wires carry an electric current of 10 ampere. Find (i) current-density in the aluminium wire (ii) drift velocity of electrons in the copper wire. Given : Number of electrons per cubic metre volume of copper =8.4xx10^(28) .

An aluminium wire of diameter 0.24 cm is connected in series to a copper wire of diameter 0.16 cm. The wires carry an electric current of 10 ampere. Find (i) current-density in the aluminium wire (ii) drift velocity of electrons in the copper wire. Given : Number of electrons per cubic metre volume of copper =8.4xx10^(28) .

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An aluminium wire of diameter 0.24 cm is connected in series to a coper wire of diamater 0.16 cm. The wires carry n electric current of 10 A. Find crrent density of free electrons in the aluminium wire.

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