TO PROPORTIONALITY QUESTION
Asked by | 14th Sep, 2009, 11:14: PM
When we find current is directly propotional to voltage, the propotionality constant is distinct physical quantity called resistance which is not equal to POWER.
Again multiplying current and voltage gives us another physical quantity called power. If you change either current or voltage then power changes. This means it can't be taken as propotionality constant.
Answered by | 15th Sep, 2009, 11:41: PM
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