Home
Class
BIOLOGY
The length of a copper wire is 100 cm. I...

The length of a copper wire is 100 cm. Its length is required to increase its temperature from 30^(@)C to 50^(@)C.

Promotional Banner

Similar Questions

Explore conceptually related problems

A force of 100 N increases the length of a given wiere by 0.1 mm. Then the force required to increase its length by 0.25 mm is

What is the temperature of the steel-copper junction in the steady state system show in Fig. 7(e).17 ? Length of steel rod = 15.0 cm, length of the copper rod = 10.0 cm, temperature of the furnace =300^(@)C , temperature of other end 0^(@)C . The are of cross-section of the steel rod is twice that of the copper rod. (Thermal conductivity of steel =50.2 js^(-1) m^(-1) K^(-1) and of copper =3895 js^(-1) m^(-1) K^(-1) ).

A thin copper wire of length l increases in length by 1% when heated from 0^(@)C to 100^(@)C . If a then copper plate of area 2lxxl is heated from 0^(@)C to 100^(@)C , the percentage increases in its area will be

A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised from 0^@C to 100^@C . Another rod of a different metal of length 45 cm expands by 0.045 cm for the same rise in temperature. A composite rod C made by joining A and B end to end expands by 0.040 cm when its length is 45 cm and it is heated from 0^@C to 50^@C . Find the length of each portion of the composite rod.

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))

What is the temperature of steel-copper jumction in the steady state of the system shown in fig. Length of the steel rod = 30.0 cm, length of the copper rod = 20.0 cm, temperature of the furnace = 300^(@)C , temperature of cold end =0^(@)C . The area of cross-section of the steel rod is twice that of the copper rod. thermal conductivity of steel = 50 .2 Js^(-1) m^(-1) .^(@)C^(-1) and of copper = 358 Js^(-1) m^(-1) .^(@)C^(-1) .

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

The coefficient of linear expansion of a rod is alpha and its length is L. The increase in temperature required to increase its legnth by 1% is