A) \[120{}^\circ C\]
B) \[100{}^\circ C\]
C) \[140{}^\circ C\]
D) \[80{}^\circ C\]
Correct Answer: C
Solution :
[c] Temperature difference between the end point A and \[\operatorname{D} =200-20 =180{}^\circ C\] As the resistance for the three parts are equal, the temperature difference must be distributed equally in the three part \[(=180/3=60{}^\circ C)\] \[\therefore \] Temperature of \[\operatorname{B}=200{}^\circ C-60{}^\circ = 140{}^\circ C\]
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