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On heating one end of a rod the temperature of the whole rod will be uniform when .
A. K = 1
B. K = 0
C. K = 100
D. `K = oo

1 Answer

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Correct Answer - D
`(dQ)/(dT) = -KA(dtheta)/(dx)`, When `K = infty`, `(dtheta)/(dt) = 0`
i.e. `theta` is independent of x, i.e., constnat or uniform

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