a brass wire of length 1 metre and area of cross section 1 millimetre square is is stretched by applying force of 20 Newtons then the work done per unit volume is `(Y= 0.91times10^11 N/(m^2​))`

If the temperature of a wire of length 2 m and area of cross-section 1 cm^2 is increased from 0^(@) C to 80^(@) C and is not allowed to increase in length, then force required for it is (Y= 10^10 N//m^2, prop=10^-6//^(@)C)

If a wire of length 4 m and cross-sectional area of 2 m^(2) is stretched by a force of 3 kN, then determine the change in length due to this force . Given, Young's modulus of material of wire is 110xx10^(9) Nm^(-2)

A uniform wire of length 6m and a cross-sectional area 1.2 cm^(2) is stretched by a force of 600N . If the Young's modulus of the material of the wire 20xx 10^(10) Nm^(-2) , calculate (i) stress (ii) strain and (iii) increase in length of the wire.

When a wire of length 5m and diameter 1mm was stretched by a load of 5kg the elongation produced in the wire was 1mm. Find the energy stored in per unit volume of the wire?

The temperature of a wire of length 1 metre and area of cross-section 1 cm^(2) is increased from 0^(@)C to 100^(@)C . If the rod is not allowed to increased in length, the force required will be (alpha=10^(-5)//.^(@)C and Y =10^(11) N//m^(2))

A load of 100 N acts on a bar of length 10 cm and area of cross section 1 cm. Find the energy stored in it. (Y= 10^(11) N//m^(2))

In an experiment, brass and steel wires of length 1 m each with areas of cross section 1mm^(2) are used. The wires are connected in series and one end of the combined wire is connected to a rigid support and other end is subjected to elongation. The stress required to produce a net elongation of 0.2 mm is, [Given, the Young’s Modulus for steel and brass are, respectively, 120 xx 10^(9) N//m^(2) and 60 xx 10^(9) N//m^(2)

In an experiment, brass and steel wires of length 1 m each with areas of cross section 1mm^(2) are used. The wires are connected in series and one end of the combined wire is connected to a rigid support and other end is subjected to elongation. The stress required to produce a net elongation of 0.2 mm is, [Given, the Young’s Modulus for steel and brass are, respectively, 120 xx 10^(9) N//m^(2) and 60 xx 10^(9) N//m^(2)

Consider a wire of length l, area of cross section A, and resistivity rho with resistance 10 Omega . Its length is increased by applying a force, and it becomes four times of its original value. Find the changed resistance of the wire.

A wire of length 1 m and area of cross section 2xx10^(-6)m^(2) is suspended from the top of a roof at one end and a load of 20 N is applied at the other end. If the length of the wire is increased by 0.5xx10^(-4)m , calculate its Young’s modulus (in 10^(11)N//m^(2)) .