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What are the limitations of ohm …

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What are the limitations of ohm 's law?

    • Posted by Sunita Tiwari 7 years ago

    CBSE > Class 12 > Physics
    • 3 answers

    Riddhi Dey 7 years ago

    There are mainly 3 limitations: 1) In certain cases for a good conductor, V ceases to be directly proportional to I. 2) The magnitude of current is not the same for equal magnitude of V of opposite directions, like in diodes. 3) In materials like LED (where GaAs is used), there are multiple values of V for same same value of I, i.e., the relation between V and I is not unique. It can also be included that Ohm's law is held only at a fixed system of conditions.

    1Thank You

    Aakriti Choudhary 7 years ago

    1.Ohms law is applicable for ohmic conductors 2. To validate ohms law there must be a constant temperature. 3. Ohms law is not applicable for non ohmic conductors

    1Thank You

    Rishabh Pandey 7 years ago

    There must be constant temperature to validate ohms law

    1Thank You

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