BEST AND TOP COACHING CENTRE FOR IAS IPS TNPSC BANK SSC RRB SI TET TRB POLICE EXAM COACHING CENTER IN COIMBATORE
SHANMUGAM IAS ACADEMY
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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.