The temperature of hot and cold end of a 20 cm long rod in thermal steady state are at 100°C and 20°C respectively. Temperature at the centre of the rod is (1) 50°C (2) 60° (3) 40° (4) 30°C Share with your friends Share 4 Pintu B. answered this Dear Student , dθdx=const⇒100-θ010=100-020⇒θ0=2000-100020=50°C Regards 6 View Full Answer