Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm². Its ends are respectively at 25⁰C and 125⁰C. The coefficient of thermal conductivity of the rod is 0.092 k.cal/m x s x ⁰C. The temperature gradient in the rod is

Options

(a) 2⁰C/cm
(b) 2⁰C/m
(c) 20⁰C/cm
(d) 20⁰C/m

Correct Answer:

2⁰C/cm

Explanation:

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