One end of an iron rod is placed in a fire where the temperature 502°C, and the other end is kept at a temperature of 26°C. The rod is 1.2 m long and has a radius of 5.0 × 10-³ m. Thermal conductivity of iron is 79 J/(s.m.Cº). Ignoring the heat loss along the length of the rod, find the amount of heat conducted from one end of the rod to the other in 5.0 s. 10 J O 12 J 6J 8J

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One end of an iron rod is placed in a fire where the temperature 502°C, and the other end is kept at
a temperature of 26°C. The rod is 1.2 m long and has a radius of 5.0 × 10-3 m. Thermal conductivity
of iron is 79 J/(s.m.Cº).
Ignoring the heat loss along the length of the rod, find the amount of heat conducted from one end
of the rod to the other in 5.0 s.
O 10 J
O 12 J
O 6J
O 8J
Transcribed Image Text:One end of an iron rod is placed in a fire where the temperature 502°C, and the other end is kept at a temperature of 26°C. The rod is 1.2 m long and has a radius of 5.0 × 10-3 m. Thermal conductivity of iron is 79 J/(s.m.Cº). Ignoring the heat loss along the length of the rod, find the amount of heat conducted from one end of the rod to the other in 5.0 s. O 10 J O 12 J O 6J O 8J
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