state Ohm's law ?write the necessary condition for its validity how is this law verified experimentally
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Answer:
a law stating that electric current is proportional to voltage and inversely proportional to resistance.
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Explanation:
at a given temperature and fir a given shape and size of the conductor the electric current through the conductor is directly proportional to the potential difference applied b/w the two ends of the conductor...
conditions for the ohm's law....
v/i=r=constant...
where_
r=the resistance
v=potential difference
i=current
the ratio of the potential difference and current is equal to r OS constant....
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