Question

    Which of the following represents non-ohmic resistance ?

    A Nichrome Correct Answer Incorrect Answer
    B Copper Correct Answer Incorrect Answer
    C Torch Bulb Correct Answer Incorrect Answer
    D More than one of the above Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Explanation: A torch bulb (light bulb) exhibits non-ohmic behavior because its resistance increases as temperature increases. When current flows through the filament, it heats up, changing its resistance

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