Why can't we say I=VR?
Asked by | 3rd Jun, 2012, 12:15: PM
Scattering of conduction electrons in an imperfect conductor is the physical cause ofresistance. Resistance is *defined* as the voltage drop across a conductor divided by the current passing through it. That is R=V/I. That's Ohm's Law. Resistors are electrical components specifically engineers to have resistances of various values.
Answered by | 4th Jun, 2012, 09:23: AM
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