IAS IPS TNPSC BANK SI SSC TNTET RAILWAY AND POLICE VAO EXAM COACHING CENTRE.
Tuesday, February 12, 2013
Georg Simon Ohm (1787– 1854)
German physicist, professor at Munich. Ohm was led to his law by an analogy between the conduction of heat: the electric field is analogous to the temperature gradient, and the electric current is analogous to the heat flow.