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AP EAMCET2013PhysicsCurrent Electricity

The ends of an element of zinc wire are kept at a small temperature difference T and a small current (I) is passed through the wire. Then, the heat developed per unit time

Options

  1. Ais proportional to T and /
  2. Bis proportional to I^3 and T
  3. Cis proportional to Thomson coefficient of the metal
  4. Dis proportional to T only

Correct answer

A. is proportional to T and /

Step-by-step solution

The heat developed per unit time in given condition is proportional to T and I .

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