Question

Three rods A, B and C form an equilateral triangle at 0°C. Rods AB and BC have same coefficient
of expansion a, and rod AC has 0.. If change in angle between AB and BC is de then temperature
through which system is heated.
Vzde
3de
1) 3(Qz - Qy)
2) 2(a2-01)
Vzde
13de
B 1a,
3) cal
I,,a,
------
a2
4) a
di​

Answer 1

Explanation:

Araee question is not clear

Pls give complete questions