Home
Class 11
PHYSICS
A rod of length 1 m having cross-section...

A rod of length 1 m having cross-sectionalarea 0.75 `m^(2)`' conducts heat at 6000 `Js^(-1)`. Then the temperature difference acorss the rod is, if K=200 `W m^(-1) K^(-1)`

A

`20^(@)C`

B

`40^(@)` C

C

`80^(@)C `

D

`100^(0)C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A rod of length 1 m having cross-sectional area 0.75m^(2) conducts heat at 6000Js^(-1) . Then the temperature difference acorss the rod is, if K=200Wm^(-1)K^(-1)

An aluminium rod of length 1 m and a steel rod of length 2 m both having same cross-sectional area, are soldered together end-to-end. The thermal conductivity of aluminium rod and steel rod is 200 Js^(-1)m K^(-1) and 50 Js^(-1) m^(-1) K^(-1) respectively. The temperatures of the free ends are maintained at 300 K and 500 K. What is the temperature of the junction?

A uniform steel rod of length 1m and area of cross section 20 cm^2 is hanging from a fixed support. Find the increase in the length of the rod.

The quantity of heat flowing for 10 seconds through a rod of length 40 cm, area 50 cm^(2) is 200 J. If the temperature difference at the ends of the rod is 80^(@) C, then coefficient of thermal conductivity of the rod in Wm^(-1)K^(-1) is