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An Intiative by Sri Chaitanya
a
The temperature is made 200oC and the area of cross-section of the rod is doubled.
b
The temperature is made 100oC and length of the rod is made four times.
c
The area of cross-section of the rod is halved and length is doubled.
d
The temperature is made 100oC and the area of cross-section and length both are doubled.
answer is D.
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