A copper wire of diameter `0.16 cm` connected in series to an aluminum wire of diameter `0.25cm`. A current of `10` ampere is diameter through them Find (a) current density in copper wire (b) drift velocity of electron in the aluminium wire .The number of free electrons per unit volume of aluminium wire is `10^(29)m^(-3)`

A copper wire of diameter 0.16 cm is connected in series to an aluminium wire of diameter 0.25 cm. A current of 10 A is passed through them. Find (i) current density in the copper wire (ii) drift velocity of free electrons in the aluminium wire. The number of free electrons per unit volume of aluminium wire is 10^(29) m^(-3) .

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) .

An aluminum wire of diamter 0.24m is connected in series to a copper wire of diamter 0.16 cm . The wires carry an electric current of 1 A. Determine the current density in aluminium wire.

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 drift velocity of electrons in the copper wire. Given that number of density of free electrons in copper = 8.4 xx 10^28m^-3 .

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.

A copper sphere of radius 3 cm is beaten and drawn into a wire of diameter 0.2 cm. The length of the wire is :

A copper sphere of radius 3 cm is beaten and drawn into a wire of diameter 0.2 cm. The length of the wire is____