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[" 22.A copper wire "(Y=10^(11)N/m^(2))"...

[" 22.A copper wire "(Y=10^(11)N/m^(2))" of length "8m" and a "],[" steel wire "(Y=2times10^(11)N/m^(2))" of length "4m," each of "],[0.5cm^(2)" cross- section are fastened end to end and "],[" stretched with a tension of "500N" ."],[" (a) Elongation in copper wire is "0.8mm],[" (b) Elongation in steel is "(1)/(4)" th the elongation in copper wire "],[" (c) Total elongation is "1.0mm],[" (d) All of the above "]

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A copper wire (Y=10^(11) Nm^(-2)) of length 8 m and a steel wire (Y=2xx10^(11) Nm^(-2)) of length 4 m, each of 0.5 cm^(2) cross-section are fastened end to end and stretched with a tension of 500 N. choose the correct option.

A copper wire (Y=10^(11) Nm^(-2)) of length 8 m and a steel wire (Y=2xx10^(11) Nm^(-2)) of length 4 m, each of 0.5 cm^(2) cross-section are fastened end to end and stretched with a tension of 500 N. choose the correct option.

A copper wire of length 1.0 m and a steel wire of length 0.5 m having equal cross-sectional areas are joined end to end. The composite wire is stretched by a certain load which stretches the copper wire by 1 mm. If the Young’s modulii of copper and steel are respectively 1.0xx10^(11)Nm^(-2)"and"2.0xx10^(11)Nm^(-2), the total extension of the composite wire is:

A steel wire 4.0m in length is stretched through 2.0mm .The cross -sectional area of the wire is 2.0 mm^(2) .If young's modulus of steel is 2.0xx10^(11) N//m^(2) (a) the enrgy density of wire, (b) the elastic potential energy stored in the wire.

A copper wire of length 2.4 m and a steel wire of length 1.6 m, both of diameter 3 mm, are connected end to end. When stretched by a load, the net elongation found to be 0.7 mm. The load appled is (Y_("Copper") = 1.2 xx 10^(11) N m^(-2) , Y_("steel") = 2 xx 10^(11) N m^(-2))

A copper wire of length 2.4 m and a steel wire of length 1.6 m, both of diameter 3 mm, are connected end to end. When stretched by a load, the net elongation found to be 0.7 mm. The load appled is (Y_("Copper") = 1.2 xx 10^(11) N m^(-2) , Y_("steel") = 2 xx 10^(11) N m^(-2))

A steel wire 4 m in length and 2.4*10^(-7)m^2 in cross - section is stretched by a force of 36N . Calculate the stress and strain .

A steel wire 4.0m in length is stretched through 2.0mm .The cross -sectional area of the wire is 2.0 mm^(2) .If young's modulus of steel is 2.0xx10^(11) N//m^(2) (a) the energy density of wire, (b) the elastic potential energy stored in the wire.

A copper wire of length 2.2m and a steel wire of length 1.6m, both of diameter 3.0mm are connected end to end. When stretched by a force, the elongation in length 0.50 mm is produced in the copper wire. The streching force is (Y_(copper)=1.1xx10^(11)Nm^(-2) , Y_(steel)=2.0xx10^(11)Nm^(-2))