In the formula V=RI. R is the constant of proportionality but still it’s value depends on nature of the material , temp, size of conductor . BUT WE KNOW THAT THE VALUE OF CONSTANT REMAINS THE SAME . THEN WHY IS IT KNOWN AS A CONSTANT??????????
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coz the ratio of potential difference and the current is always same and therefore is a constant
SohamSharma:
But then why does this change
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