Thomson coefficient of a conductor is `10 mu VK`. The two ends of its are kept at `50^(@)C` and `60^(@)C` respectively. Amount of heat absorbed by the conductor when a charge of a 10 C flows through it, is

Options

A. 1000 J
B. 100 J
C. 100 mJ
D. 1 mJ

Answer

D

Explanation

Thomson coefficient `(sigma)= 10muvK`
Charge, `q = 10 C`
`DeltaT = T_(2) - T_(1) = 10^(@)C`
`therefore Heat absorbed, Q = sigmaqDeltat`.
`Q = 10 xx 10^(-6) xx 10 xx 10 = 10^(-3) J = 1 mJ`